D. Marlene Thomas
COPIA Associate

At a Glance:

  • ICF Professional Certified Coach (PCC)
  • Former President of Metro DC Chapter of the International Coaching Federation (ICF)
  • Federal senior executive (SES), retired, with project/program management experience in full system lifecycle of complex systems


Collaborating for Positive Change

Marlene believes that coaches are facilitators of positive change, and the role of the coach and client is a collaboration where the client is willing to do some homework to achieve his or her specific objectives. Her areas of coaching include leadership and executive development, career transition, personal and team effectiveness and coach mentoring. She provides pro bono coaching and mentoring services to returning military service members and their families/caregivers during their transition to civilian life.

Deep Executive Experience

Marlene is a former member of the Senior Executive Service (SES) with over 25 years of demonstrated management of complex systems in Federal, State and local organizations. She has worked with individuals and teams in for-profit and non-profit settings including government, technology, education and health care associations. She has a strong capacity to create organizational cultures that enable individual contributors to develop their full potential while giving their best to exceed normal expectations.

She is a proven leader with a multidisciplinary repertoire of skills and competencies in executing strategies and leading change in a fast-paced and fluid environment. Her technical and administrative background includes developing and implementing transportation regulations and policies, human capital initiatives, migrating IT architecture to implement a paperless environment, and overseeing legislative, regulatory, policy and legal mandates while ensuring program viability and customer service. She was Chief Financial Officer responsible for budget, finance and auditing for several organizations.

D. Marlene Thomas is President & CEO of Thomas Management Consulting (TMC) LLC, a Woman Owned Small Business (WOSB) that provides strategic consulting and executive coaching services to Federal, State and private sector businesses.

Coaching for Partnerships

Marlene’s coaching and consulting practice is dedicated to supporting individual employers and leaders as they build productive partnerships, teams and workplaces. She has provided leadership development training, team building, and project management support in her work with a variety of public and private sector clients and partners. Clients include but are not limited to, University of North Carolina at Chapel Hill, Virginia Commonwealth University (VCU), St. Luke’s Institute, Interdynamics, Inc., the Department of Commerce (NOAA), Federal Aviation Administration (FAA) and District of Columbia government. She has worked with numerous non-profits including the United Negro College Fund and So Others May Eat.

International Coach Federation Work

Marlene is the Immediate Past President, and former Membership Director of the Metro DC Chapter of the International Coaching Federation (ICF), the largest city chapter in the world with over 1700 members. She is an active member and volunteer for the Association for Talent Development (ATD), and the Society for Human Resource Management (SHRM).

Credentials and Awards


  • M.S. Management, University of Maryland University College (UMUC)
  • B.S. Technology and Management (UMUC)
  • Federal Executive Institute (FEI)
  • Harvard University (Certificate)


  • International Coach Federation – PCC Coach
  • CTI Certified Professional Coach (CPCC)
  • DiSC Certified Trainer & Partner True Colors Facilitator
  • GTCI Certified Team Coach
  • Brain-Based Coach Certification

What Distinguishes Me:

  • Former SES level executive with 25 years of federal experience
  • Capacity to foster productive organizational cultures
  • Certified team coach
  • Deep commitment to work with non-profits

Assessments/Tools I Use

  • Myers-Briggs Type Indicator (MBTI®)
  • Everything DiSC® Suite
  • CCL Benchmarks® for Executives™
  • CCL Benchmarks® for Managers™
  • Leadership Effectiveness Inventory 360
  • EQ-i 2.0 360
  • Change Style™ Indicator

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