Deanna Siegel Senior

Deanna Siegel Senior PhD

Executive Transition | Authentic Leadership

Location: New York City, NY
Language: English

Deanna Siegel Senior is a certified executive coach and accomplished Head of Talent. In her executive coaching practice, she specializes in executive transitions and focuses on how the most effective leaders inspire their teams through authentic leadership and radical candor. She also helps leaders identify their motives, values and preferences to effectively tailor their leadership approach and discover greater levels of success and ease in all areas of life. Drawing upon twenty years of business experience, Deanna has built a solid reputation as a pragmatist; she zeroes in on the most targeted leadership actions to yield the greatest individual, team, and organizational impacts.

Deanna comes to coaching from a successful career in People and Talent at brands including Tiffany & Co., WW (reimagined from Weight Watchers), Deloitte and Pfizer. Deanna was brought into WW to build a talent culture to support the CEO’s vision for inspiring healthy habits for real life, for everyone. While at Tiffany & Co., she led the creation of a set of aspirational cultural values, as well as a marquis high-potential program called The Tiffany Academy for Excellence and Diversity in Leadership. Prior to Tiffany & Co., Deanna was a key part of the worldwide organizational effectiveness and consulting services (WWOE&CS) team and led the Southeast Asia Earthquake Relief (SAERF) initiative at Pfizer. She was an external consultant at Deloitte Consulting specializing in human capital and supported leaders in luxury retail, finance and pharmaceutical on their team and organizational challenges.

Deanna holds a PhD in Organizational Psychology from Teachers College, Columbia University and a BA from The University of Michigan. She is published in the International Journal of Selection and Assessment, “Is There a Technology Age Gap? Associations Among Age, Skills and Employment Outcomes.” She taught the master’s level coaching course and was awarded the Dean’s Grant for her PhD dissertation on benefits of corporate volunteerism to the bottom line. She received her coaching certification from IPEC, is an ICF certified coach, and holds certifications in a multitude of assessments including MBTI, Hogan, PROSCI, DISC, Bates Executive Presence, TruScore 360, and Managing Transitions by William Bridges.

Deanna founded the NY Chapter of Dining for Women, a global giving circle dedicated to transforming lives and eradicating poverty among women and girls in the developing world. Deanna lives in New York with her husband and three children.


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