The BEST Team | Our Partners

Deborah L. Hadley

Deborah is a Senior Executive Coach and Management Consultant. Her experience spans 20+ years in South Africa, UK, Europe and the USA. Her interest in business optimization and behavioral science is routed in senior management experience as start-up member of technology consulting services companies (IPO NASDAQ), strategic management positions within the technology innovation and delivery divisions of Reuters plc and directing IT for 12 Medicor hospitals from start up to acquisition.

Deborah’s key differentiator as an executive coach is her agility; functional experience in the business trenches, an impactful communication range from junior graduates to board level executives and an ability to apply an entrepreneurial mindset to enterprise growth challenges and opportunity. She is a natural global and cultural connector, having immersion in 8 languages.

Deborah has a DESP Education at Rhodes University, South Africa, and attended The Wharton School, University of Pennsylvania, AMP57 Advanced Management Program (Global Succession Track CXO Leaders). She is also a certified Professional Executive Coach and a graduate of the Columbia University Coaching Program. She resides in San Antonio, Texas and Manhattan, New York.

Bill Hector

Bill is an executive coach, organization and team development consultant, and learning expert with over 30 years of experience guiding some of the world's largest multinational organizations and their leaders to reach their aspirational goals. As an internal practitioner, Bill drove solutions that helped his clients achieve performance and organization improvement in several industries, namely pharmaceutical (Johnson & Johnson), financial services (Citigroup), professional services (Marsh & McLennan) and consumer manufacturing (Mars, Brother).

Bill has made a substantial difference within organizations. He developed and led Citigroup's largest global high potential accelerator program, coached C- suite executives across all pharma and finance sectors, established team development processes at three organizations, built two corporate universities and facilitated leadership development at highest levels, and led numerous leadership teams through both strategic planning and change management initiatives in support of rapid transformation.

Bill has a BS in Business Administration from Stonehill College and an MS in Organizational Development from American University. He is certified in numerous assessments including DISC, Myers-Brigg, Discovery Insights, FIRO-B and more. He also is an instructor at Cornell University within their e-Cornell program. He and his family live in Watchung, NJ.
 

Meredith Marshall

Meredith is an executive coach and organizational change consultant specializing in people and culture transformation. She works with organizations, leaders, and teams to build capacity for more aligned, collaborative, and change-adaptive ways of working that are needed to operate and thrive in the ever-changing and increasingly complex environments.

Meredith brings over 25 years of corporate experience, specializing in the domains of risk management, business management, human resources, people development, and corporate finance.

During her 19-year career with a Fortune 50 SIFI-designated financial institution, she leveraged her experience as a risk practitioner and change leader to develop and lead a large-scale culture transformation initiative across the organization. This multiyear, innovative program combined a robust learning series with a systemic-level coaching strategy to achieve measurable and sustained improvement against critical partnership behaviors and employee engagement scores.
  
As an executive coach, Meredith combines deep curiosity and listening with trends in cognitive psychology and neuroscience to help leaders build resonance, resilience and reach their highest potential. She has also developed and led senior executive coaching programs, internal coaching programs, team coaching engagements, and mentoring programs. As a trained facilitator, she has organized and led numerous strategic planning workshops, leadership off-sites, training programs and teambuilding events.
 
In her role as an HR Director, Meredith advised senior leadership teams on the design and implementation of people strategies, workforce planning, talent and leadership development, performance management and employee engagement.

Meredith has a BA in English from George Mason University and an MS in Finance from American University. She is a certified Professional Coach and a graduate of the Georgetown University Leadership Coaching Program and Georgetown University Facilitation Program. She has a son and daughter and is based in Washington DC and Boston MA. 

Ken Powell

Ken is an Executive Coach with expertise in career and talent management consulting for executive and entrepreneurial leaders in business, government, and not for profit sectors, ranging from start-up to the world’s largest organizations.

His experience working with top management spans more than 30 years in business management, finance, marketing, and consulting and recognized leadership expertise in business, military, and the community. He has served Right Management for over 12 years with principal focus on C-level executives.

At McKinsey and in his private consulting practice, in addition to coaching scores of senior leaders, he has led engagements in strategic planning, new product and business development, corporate finance, organizational development, management of information, supply chain, commercial real estate, and diversity, across a number of industries such as chemicals, business equipment, consumer marketing, financial services, airlines, entertainment, information technology, electronics, insurance, health care, retail, hospitality, and not for profit. Organizations served ranged from start-ups to Fortune 100 companies (e.g., American Express, Disney, General Mills, Shell Oil, Xerox) to not for profits (e.g., Save the Children, NAACP) to the military (Offices of the Secretary of Defense, Army Chief of Staff). Virtually all of his consulting experience has involved advising top executives and helping them address strategic and tactical business issues, as well as individual performance.

Ken was a Vice President both at Chase Manhattan Bank, where he led strategic management of Chase banking assets and investments in Latin America, the Caribbean region, and Canada, and at Marine Midland Bank (now HSBC, Hong Kong Shanghai Bank), where he managed operating, finance, decision support and top management information systems development units.
Active in the community, Ken has served as President of both the Harvard Business School Association (HBS Alumni worldwide) and the HBS Club of New York, where he is a current board member and former Chair of the Nominating Committee. He is currently President of the Harvard Business School African-American Alumni Association; member and past Vice President of the Board of Managers, and Chair of Nominating Committee of the Harvard Club of New York. He has served on the boards of the Inwood House (Vice President), Jobs for Youth (Chairman) and Safe Horizon, three leading New York City not for profit organizations. He is a U.S. Army Lieutenant Colonel (Ret.), decorated Vietnam Veteran, and Ranger qualified.

Ken holds a BS in Mathematics from Howard University and an MBA with a concentration in finance from Harvard University. He grew up in the deep south and currently resides in New York City.

Mandy Chooi

Mandy is a global leader with broad business and cultural acumen and a focus on organizational culture, talent strategy and leadership impact. She has partnered with top leaders in Fortune 500s, including technology, manufacturing, financial services and FMCG firms to transform organizational and leadership practices into innovative and unique approaches that are a competitive advantage. With 20 years experience in global leadership roles and having lived in the US, Europe and Asia, Mandy created and implemented innovative talent strategies that underscore a high performance culture in complex, high stakes environments where true re-invention is the goal.

At both ING and SC Johnson Mandy led the work in creating the culture change needed to deliver the new business strategy. At ING, as the Global Head of Talent, and later the Head of People Strategy & Innovation, the results included a new leadership brand and capabilities development strategy, a transformed performance management approach, joint values & behaviors co-created with employees, and a restructured Leadership Council consisting of the top 40 leaders, all driving the goal of an agile and innovative culture. At SC Johnson, as the Head of Organization & Talent Development, the achievement was a major step up in the effectiveness of the internal talent pipeline.

Mandy has a PhD ABD in Industrial and Organizational Psychology from Western University. She lives with her husband, Arno, outside of Amsterdam.

Minna Pomeroy

Minna is a consultant who has been developing cutting edge Human Resource technology solutions as well as providing professional services in the areas of HR strategy and design, talent acquisition, modern-day performance management, executive coaching, and growth and development. Prior to starting her own firm, Minna held a variety of human resources roles at Citigroup and General Electric, and was the HR Director for an Ebay partnered start-up. At Citi, her true passion and expertise was leading strategic talent management processes.

At different points in her career, she led Talent Acquisition, MBA Development Programs, Succession Planning, Training and Development and the Executive Coaching practice for the Citi Cards organization. She also worked in Buenos Aires, Argentina, where she oversaw the talent and succession planning processes for the Latin American Corporate Bank and developed and launched a Latin American Treasury training program. Her last role at Citi was as Chief of Staff for the Global Head of Human Resources where she was responsible for the Talent Management, Succession Planning, Global Mobility and Performance Management processes globally for Citi.

Minna graduated cum laude from the University of Pennsylvania, holds a BA in Psychology from the University of Pennsylvania and an MBA from Duke University’s Fuqua School of Business. She lives with her husband, Rob and their 2 children in Northbrook, Illinois
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