Our Team

The people who run Goose Creek.

A small, intentional core team built for quality, responsiveness, and client service — supported by a deep bench of coaches, facilitators, and consultants who bring specialized expertise to every engagement.

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Jayson Blair
Managing Partner & Founder

Jayson founded Goose Creek Consulting in 2010 and has more than 19 years of experience in leadership development, executive coaching, and organizational change. A former national correspondent for The New York Times, he brings a unique perspective to coaching — combining deep expertise in personality science, psychology, and organizational systems with the storytelling instincts of a journalist. He is a member of the Hogan Coaching Network, a Fellow at Harvard Medical School's Institute of Coaching, and serves on the Board of Visitors at McLean Hospital.

Managing Partner, Goose Creek Consulting · Hogan Coaching Network Member · Fellow, Harvard Medical School Institute of Coaching · Board of Visitors, McLean Hospital · B.A., Jones International University · Graduate Certificate, Organizational Analysis, Stanford University
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Abby Oesterling
Vice President, Consulting Solutions

Abby oversees Goose Creek's leadership development, team development, organizational development, and assessment projects and programs. With more than two decades of experience in program and project management, she brings operational rigor and client-focused expertise to every engagement — ensuring programs are delivered with precision and produce measurable outcomes. She is certified in several Hogan and Korn Ferry assessment tools.

PMP Certified · Professional Certificate, Program Management, Duke University · Hogan & Korn Ferry Certified · M.A., International Affairs, Georgetown University · B.A., International Business Management, Dickinson College
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Kristina Ralph
Project Coordinator & Analyst

Kristina supports Goose Creek's assessment, organizational development, team development, and leadership development projects. She holds several assessment and coaching certifications and provides assessment debriefs directly to clients — bringing both operational support and substantive expertise to her role.

Assessment & Coaching Certified · Project Management Certified · M.S., Medical Process Management, Friedrich-Alexander University Erlangen-Nürnberg
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Dave Singla
Senior Accountant

Dave provides accounting, financial planning, analysis, and reporting for Goose Creek. His experience spans budget and forecasting, cost and technical proposals, human resources and payroll administration, and federal accounting — giving the firm the financial infrastructure to operate with precision across government and private sector engagements.

Graduate Certificate, Accounting & Finance, University of Virginia · B.S., Chemical Engineering, Panjab University
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Nina Hadley
Executive Assistant

Nina provides high-level administrative support to the Managing Partner, the team, and clients — managing scheduling, coordination, vendor relations, accounts receivable and payable, special projects, and project coordination. She is certified in Hogan Assessments and brings both organizational precision and genuine warmth to her work with clients and colleagues.

Hogan Assessments Certified · B.A., Sociology, College of William & Mary
Our Coach, Facilitator & Consultant Network

A curated bench of exceptional practitioners.

Goose Creek maintains a carefully selected network of executive coaches, facilitators, and organizational development consultants who extend our capacity and bring specialized expertise to client engagements. Every practitioner on our bench meets a high standard for credentialing, experience, and fit with Goose Creek's science-based, client-centered approach.

Our network spans backgrounds in industrial-organizational psychology, organizational development, federal government, healthcare, Fortune 500, and nonprofit sectors — with deep expertise in leadership assessment, team development, facilitation, culture change, and executive coaching. Many hold advanced degrees and carry the highest-level coaching credentials available, including ICF Master Certified Coach (MCC) and Professional Certified Coach (PCC) designations.

26
Coaches, facilitators & consultants
20+
Average years of experience
ICF
Certified across MCC, PCC & ACC levels
7
Practitioners holding doctoral degrees
Meet Our Network

Coaches, facilitators & consultants.

Our practitioners bring deep expertise across sectors and disciplines — selected for their credentials, their track record, and their commitment to science-based, client-centered development.

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Teresa Brodin
Leadership Development Consultant & Coach

Teresa has more than 30 years of experience in leadership development, coaching, and large-scale organizational change. She has served as Director of Organizational Development at Novant Health and as a Senior Consultant at the Logistics Management Institute, and has been in private practice as a coach for over a decade. She is a graduate of the Leadership Coaching for Improved Performance program at George Mason University.

Facilitation Team Development Organizational Development Leadership Development Change Leadership Conflict Management
M.Ed., Counseling & Development, George Mason University · CTI Certified Coach
LC
Lisa Chenofsky Singer
Executive Coach & Master Certified Coach

Lisa has over 20 years of experience developing human potential through coaching, facilitation, and organizational change. A former human resources executive and Master Certified Coach (MCC), she serves as a Leadership Coach for The Doerr Institute at Rice University, a Cohort Leader for Rutgers University's Certified Public Managers Program, and an Executive Coach and Guide for Chief. She has published over 125 articles on leadership and career topics.

Executive Coaching Team & Group Coaching Women in Leadership Change Management Facilitation
MCC, International Coaching Federation · M.A., Organizational Communications, Kean University · ICF NJ Board Member
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Belinda Chiu, Ed.D.
Executive Coach & Instructional Designer

Belinda brings over 25 years of experience in executive coaching, facilitation & training, and scholar-practitioner with a global perspective on authentic leadership, applied contemplative practice, and ecosystem flourishing. She is a lecturer at the Tuck School of Business at Dartmouth, a Senior Teacher at the Search Inside Yourself, and a Contract Liaison for the U.S. Department of State's International Visitor Leadership Program. Author of multiple books and articles, she works with individuals and teams to integrate embodied emotional intelligence, compassionate leadership, and applied behavioral psychology.

Leadership Development Mindful Leadership Facilitation Executive Coaching Emotional Intelligence Applied Neuroscience
PCC, ICF · Ed.D., International Educational Development, Columbia University · Hogan, ESCI & DiSC Certified
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Leanne Cusumano-Roque
Executive Coach & Leadership Specialist

Leanne specializes in leadership transitions and complex dynamics, with over 20 years of experience supporting federal, scientific, and technical professionals. A graduate of the Federal Executive Institute's Leadership for a Democratic Society program, she is a published author, an award-winning book of self-coaching prompts to her name, and a mentor to many professional coaches. She brings a unique legal background to her coaching practice, having served as a Supervisory Attorney at NSF and a Regulatory Attorney at the FDA.

Executive Coaching Leadership Development Transitions Federal Government Team Development
PCC, International Coaching Federation · J.D., College of William & Mary
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Sharròn Dean
Human Capital Strategist & Leadership Coach

Sharròn is an accomplished human capital strategist and leadership coach with deep expertise in equity, inclusion, and cultural awareness. She has served as Chief Human Resources Officer at the Air & Space Forces Association, directed HR at Walmart, and taught Industrial Psychology at the University of Maryland. A Georgetown-certified executive coach and certified MBTI facilitator, she helps clients enhance leadership capacity, executive presence, and personal brand development.

Leadership Development Executive Coaching Organizational Development Equity & Inclusion Career Transition
ACC, ICF · Executive Coaching Certification, Georgetown University · M.S., Organizational Management, Antioch University
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Tammy Ditzel
Facilitator, Trainer & Workplace Coach

Tammy has nearly 20 years of experience leading growth and change in hundreds of organizations through training, facilitation, coaching, and consulting. Founder and CEO of Inesse Consulting, she brings a dynamic, interactive approach that gets participants genuinely engaged in their learning — producing greater accountability and measurable outcomes. A certified Everything DiSC Administrator and Facilitator, she is particularly skilled in helping teams understand communication styles, navigate conflict, and build the interpersonal skills that drive performance. She is also a certified Five Behaviors of a Cohesive Team Practitioner and a Global Career Development Facilitator Instructor.

Facilitation DiSC Team Development Leadership Training Interpersonal Communication
GCDF-I · CPRW · Everything DiSC Certified · Five Behaviors Practitioner · B.A., Psychology, University of Maryland (Dean's List)
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Lynne Feingold
Executive Coach & Federal Coaching Pioneer

Lynne is a recognized pioneer of coaching in the federal government, having started the first government-wide Coaching Cadre in 2010 and co-founded the Government-wide Coaching Consortium — known today as the Federal Coaching Network. She has more than 20 years of experience coaching C-Suite leaders across IT, law, healthcare, and financial services, and has taught at Yale University, George Mason, and George Washington University. She designed the award-winning ICF Certified Coach Training Program for the federal government.

Executive Coaching Federal Government Leadership Development Emotional Intelligence Team & Group Coaching
B.A., Cross-Cultural Communication, University of Pittsburgh · Federal Coaching Network Co-Founder
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Dan Feldman, Ph.D.
Executive Coach & Organizational Psychologist

Dan has over 30 years of experience developing coaching programs and working hands-on with leaders across sectors. A Certified Professional Facilitator and ICF Team Coach, he helps senior leaders build sustainable leadership, broaden their leadership style, and improve influence, resilience, and team performance. He is the author of books on critical thinking, workplace coaching, and emotionally intelligent leadership, and holds the ICF Advanced Certification in Team Coaching.

Executive Coaching Team Coaching Organizational Development Facilitation Change Management
PCC & ACTC, ICF · Ph.D., Counseling Psychology, Virginia Commonwealth University · Hogan, KF & LCP Certified
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Matt Florence
Senior Leadership Development Consultant

Matt is a creative and adaptable leadership development professional with 10 years of experience in coaching, facilitation, program design, and assessment delivery. He has designed and delivered programs across C-Suite development, high-potential leaders, performance management, DEI initiatives, and team effectiveness. He previously served as Learning & Development Manager at Edison Electric Institute and holds certifications in Hogan, multiple Korn Ferry tools including the Korn Ferry Leadership Architect, and the Conflict Dynamics Profile.

Leadership Development Facilitation Organizational Development Performance Management Team Development
Executive Coaching Certificate, Georgetown University · M.A., I/O Psychology, West Chester University · Conflict Dyanmics Profile, Hogan & KF Certified
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Charles Hart, J.D.
Executive Coach & Organizational Development Consultant

Charles brings a background most people don't expect in an executive coach — 16 years as a trial attorney in the Civil Rights Division of the U.S. Department of Justice, where his team received the department's highest award for their investigation of the Ferguson Police Department. That experience shapes everything about how he coaches: he is comfortable in high-stakes environments, skilled at navigating complex systems, and deeply committed to values-driven leadership. As founder of Abiri Consulting, Charles works with executives, attorneys, and entrepreneurs on leadership effectiveness, resilience, strategic alignment, and organizational culture — combining his legal and public service background with Hogan assessment expertise and certified resilience coaching to help leaders build clarity and perform at their best under pressure.

Executive Coaching Leadership Resilience Organizational Development Change Management Team Effectiveness Facilitation
J.D., New York University · B.A., Davidson College · Hogan Certified · ICF Member · Certified Resilience Coach · Working Genius Certified Facilitator
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Rita Hilton, P.hD.
Executive Coach & Talent Development Strategist

Rita is an experienced executive coach, senior leader, and published leadership expert who has led strategic organizational and talent development programs at the National Science Foundation, Millennium Challenge Corporation, and WMATA. A former Senior Advisor at the World Bank and faculty at George Washington University, she brings deep public sector expertise and a systems-thinking approach to executive coaching, team facilitation, and organizational transformation.

Executive Coaching Talent Development Facilitation Culture Alignment Organizational Adaptation
PCC, ICF · Ph.D., Public Administration, Syracuse University · Hogan, CCL, ESCI & LCP Certified
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Marsha Hughes-Rease
Executive Coach & Leadership Strategist

Marsha has more than 26 years of leadership experience and over 15 years coaching executives and senior leaders in federal government, healthcare, higher education, and nonprofit organizations. Her relationship-centered, evidence-based coaching approach draws on adult development, neuroscience, and organizational psychology. She previously served as Deputy Director of the Navy Medicine Center for Organization Development and as a Senior Consultant at Dannemiller Tyson Associates.

Executive Coaching Leadership Development Career Coaching Transition Coaching Decision Making
Evidence-Based Coaching Certificate, Fielding Graduate University · Hogan · M.S., Organization Development, Johns Hopkins University
DK
Deb Klotz, Ed.D.
Executive Coach & Organizational Development Expert

Deb has decades of experience helping leaders enhance their careers and strengthen organizational performance across private sector, nonprofit, and government organizations. The author of three books on workplace leadership — including the third edition of Mastering Virtual Teams — she brings deep expertise in executive coaching, organizational strategy, culture evolution, and competency modeling to her engagements with leaders from C-Suite to emerging talent.

Executive Coaching Leadership Development Team Coaching Competency Modeling Succession Management
Hogan and Conflcit Dynamics Profile certified · Ed.D., Human & Organizational Development, George Washington University · M.A., Cognitive Psychology, Cal State University
LK
Lisa Krull
Executive Coach & High-Potential Development Specialist

Lisa has more than 15 years of experience helping clients create positive change for themselves and their organizations, with a particular passion for developing the next generation of leaders. A former Human Capital Consultant at Booz Allen Hamilton, she played a key role in creating an internal coaching certification program at the IRS and supported coaching and mentoring programs at NSF, NRC, and DHS. She is the founder of NeXT GenLeadership LLC.

Executive Coaching Leadership Development Team Coaching Change Management Individual Assessment
Leadership Coaching Certificate, George Washington University · M.A., Organizational Management, George Washington University
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Sande Lehrer, Ph.D.
Executive Coach & Organizational Behavior Expert

Sande has more than 30 years of experience working with leaders and managers on skill development, conflict, and leadership effectiveness. A former faculty member at Johns Hopkins University for over 25 years, he has also served as Director of Learning and Development at the United States Mint, Chief of Performance & Career Development at OPM, and Organization Development Specialist at the Government Accountability Office. He has published journal articles and delivered keynote presentations at national conferences.

Executive Coaching Leadership Development Change Management Team Development Career Transition
Ph.D., Administration & Supervision, University of Southern Mississippi · Johns Hopkins University MBA Program Faculty (25 years)
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John Lybarger, Ph.D.
Executive Coach & Organizational Psychologist

John has more than 30 years of experience helping senior leaders navigate complexity, drive transformation, and lead with authenticity. A Master Certified Coach and former Senior Client Partner at Korn Ferry and full-time faculty at the Federal Executive Institute, he specializes in working with C-Suite leaders, federal executives, and mission-critical teams facing high-stakes challenges and organizational transitions. He integrates systems thinking, emotional intelligence, and change leadership into every engagement.

Executive Coaching Leadership Development Organizational Change Team Coaching Senior Team Development
MCC, ICF · Ph.D., I/O Psychology, Grand Canyon University · Hogan · Former Senior Client Partner, Korn Ferry
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Jeanne Oliver
Leadership Coach & Performance Consultant

Jeanne has nearly 30 years of leadership and management experience and has provided individual coaching and training to over 4,600 clients — including senior federal executives, private sector leaders, and small business owners. With extensive international and cross-cultural experience across 26 countries and five years with the United Nations, she brings a deep understanding of applied neuroscience and global leadership dynamics to her coaching practice.

Executive Coaching Leadership Development Conflict Coaching Applied Neuroscience Federal Government
ICF Member · NeuroLeadership Institute Member · M.B.A., International Development, Arizona State University
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David Polmer
Executive Coach & Narrative Strategist

David has 25 years of experience shaping organizational, team, and personal narratives — helping leaders find their authentic voice and align people and strategy to drive growth. An ICF-certified coach, he bridges personal transformation and organizational impact through a coaching approach grounded in deep listening, emotional intelligence, and narrative strategy. He previously served as Consulting Director at Gagen MacDonald and Senior Manager of International Strategic Communications at US Cellular.

Executive Coaching Storytelling & Narrative Facilitation Team Alignment Values-Based Leadership
ICF Certified Coach · B.A., English Literature, Washington University in St. Louis
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Christine Rabaja
Executive Coach & Leadership Specialist

Christine brings over twenty years of leadership expertise as a retired Marine Corps Lieutenant Colonel, Helicopter Aircraft Commander, and Space Systems Operator — and applies that experience to coaching executives, VPs, directors, and emerging leaders across federal and commercial organizations. She specializes in working with independent-minded individuals to generate higher productivity and engagement, and is particularly skilled in coaching leaders navigating complexity in scientific, technical, and federal environments.

Executive Coaching Leadership Development Career Coaching Transition Coaching Change Management
M.S., Space Systems Operations, Naval Postgraduate School · M.B.A., Webster University · USMC Lt. Colonel (Ret.)
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Marion Smith
Executive Coach & Group Facilitator

Marion has more than 20 years of experience as an executive and group coach, instructor, and facilitator, with prior experience as a senior leader across scientific research, biosciences, and technology. She applies deep expertise in individual and team performance improvement, organizational development, and strategic thinking to help clients deepen their skillsets and achieve important goals. She is the author of the audio program Performance Improvement through Building Confidence and Managing Stress.

Executive Coaching Leadership Development Team Development Organizational Development Facilitation
Leadership Coaching Certificate, Georgetown University · Chartered Biologist, Royal Society of Biology · Post-Graduate Diploma, IT, University of West Scotland
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Dan Stevens
Executive Coach & Mindfulness Specialist

Dan has more than 30 years of experience working with private companies and federal and state governments as a consultant and coach. An ICF-certified coach, he brings a personable, holistic approach informed by cognitive-behavioral methods and neuroscience. He founded Mindful Coaching in 2018 to provide mindful leadership and life coaching to those in transition, and also specializes in serving clients as an adjunct to counseling and recovery programs.

Executive Coaching Team Coaching Mental & Emotional Health Mindfulness Cultural Awareness
ICF Certified Coach · M.P.A., University of Southern California · ICF Coaching Science Community of Practice
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Vicki Swisher
Executive Coach & Leadership Development Author

Vicki has more than 25 years of experience in leadership development, having held executive roles at UnitedHealth Group and Cargill, led product development at Korn Ferry, and served as an Organizational Leadership Practitioner at the Center for Creative Leadership. The author of Becoming an Agile Leader and co-author of several books on leadership and team effectiveness, her work has been featured in The Wall Street Journal, Fortune, and BusinessWeek.

Executive Coaching Leadership Development Executive Presence Women in Leadership Change Leadership
ICF Certified Coach · Prosci Change Management Practitioner · Hogan & KF Certified · M.Ed., HR Development, University of Minnesota
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Bridgit Wald
Executive Coach & Systems Transformation Specialist

Bridgit is a PCC-level executive coach who specializes in helping leaders drive change through individual and organizational systems transformation. Since 2017, she has worked with leaders across nonprofits, educational institutions, and Fortune 100 companies. An adjunct faculty member at the New Ventures West coaching program, she also facilitates holistic leadership development through EquusLibere, her equine-facilitated leadership organization.

Executive Coaching Leadership Development Team Development Systems Transformation Facilitation
PCC, ICF · Graduate Certificate, Leading from the Emerging Future, MIT · B.A., Liberal Arts, McGill University
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Jennifer Whitcomb
Master Certified Coach & Global Leadership Expert

Jennifer is a senior global leadership and executive coach with over 25 years of experience driving organizational effectiveness across five continents. One of the 4% of worldwide coaches to attain the ICF Master Coach Certification, she previously served as Co-Director of the Leadership Coaching Certificate Program and Director of the Organizational Development Certificate Program at Georgetown University. She is certified in Hogan, Korn Ferry 360, Leadership Circle Profile, MBTI, TAIS, and CCL assessments.

Executive Coaching Leadership Development Facilitation Organizational Effectiveness Team Development
MCC, ICF · Georgetown University Faculty (Former) · Hogan, KF 360 & LCP Certified · M.A., HR Development, Marymount University
CW
Christa White
Executive Coach & Organizational Effectiveness Specialist

Christa is a results-driven coach with over 25 years of experience in leadership development, organizational effectiveness, and talent optimization across government, nonprofit, and commercial sectors. A former Deputy Assistant Administrator at USAID, a senior advisor at the Pentagon, and Sr. Vice President for Global Development at Special Olympics International, she brings rare senior leadership experience to her coaching practice and specializes in building and helping high-performing teams and executives around the world navigate change, lead through crisis and deliver measurable results.

Executive Coaching Leadership Development Women in Leadership Change Management Career Transitions
PCC, ICF, Leadership Coaching for Organizational Performance Certificate · Hogan · American University · M.A., International Relations, Tufts University · B.A., English, Smith College