Sumona De Graaf, Ph.D.
  • Principal /
  • New York /

Sumona De Graaf is a Principal at ghSMART, partnering with leaders of organizations to unleash their true potential through management assessment, leadership coaching, and talent and organizational development solutions. She works across multiple sectors, advising clients on their most critical organizational and leadership challenges.

Prior to joining ghSMART, Sumona was the global head of Career Development at Bloomberg LP, managing a global team across the US, Europe and Asia. There she worked across all levels of the organization, working to attract, develop and retain key talent. With a data-driven approach, she designed and implemented initiatives that addressed the talent and organizational challenges that leaders and employees face as they navigate their careers. She was turned to as an advisor to senior leaders, and called upon for her creativity and energy to solve complex and nuanced people issues. She has nearly a decade of experience working in the financial sector.

Sumona has had extensive experience working with private and public company Boards and coaching senior executives, with a specialty in change management and leading through transitions to drive performance. She has also worked with high potential and high flight risk talent to drive talent retention efforts for companies. Her background in psychology coupled with her applied experience position her uniquely to coach and develop leaders to perform at their best – and to be their best selves.

Sumona’s area of expertise is human motivation and influence, and her passion lies in aligning people and practices to the broader organizational mission and vision. Her research has found that with greater line of sight, people derive more meaning and value from their work – resulting in higher levels of productivity and organizational success.

Sumona has a Ph.D. in Industrial Organizational Psychology from The George Washington University, and a B.S. in Psychology from Lehigh University. She was the Executive Director of the SMARTKids Leadership Program™, which provided mentorship and scholarships to students with leadership potential from low income communities. She serves as Adjunct Faculty at the University of Georgia, and currently lives in Brooklyn with her husband Justin, her sons, and her beloved Old English Sheepdog.