Deanna Siegel Senior

Deanna Siegel Senior

Location: Larchmont, NY


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 in real life for everyone. While at Tiffany & Co., she led the creation of a set of aspirational cultural values as well as a marquee 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 pharmaceuticals on their team and organizational challenges.

She is published in the International Journal of Selection and Assessment as ""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 the benefits of corporate volunteerism to the bottom line.

Niche Areas of Expertise

  • Change Management
  • Emotional Intelligence
  • Leaders in Transition

Industry Experience

  • Financial Services
  • High Tech
  • Media & Entertainment
  • Nonprofit
  • Retail
  • Social Sector


  • English


  • University of Michigan - BA, Psychology and Political Science
  • Teachers College, Columbia University - PhD, Organizational Psychology


  • Hogan
  • MBTI
  • FIRO-B
  • StrengthsFinder
  • ExPI
  • AIIR Team Effectiveness Survey

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