Claire Simier

Managing Principal/New York
+1 646 576 6464
View Expertise

Executive Presence and Performance/ Cross-Cultural Coaching/ Personal Branding/ Transition Coaching/ Strategic Planning/ Board Dynamics/ Crisis Management and Communications

Claire Simier is the Founder and Managing Principal of Simier Partners. She is an executive consultant and coach with over two decades of hands-on business management and operations experience. Claire has served as a principal advisor and thought partner to senior leaders in the legal, financial, government, healthcare, consumer goods, life sciences, and real estate industries, specializing in assisting executives who face cross-cultural challenges. Claire has designed, developed and implemented strategies for organizations facing international competition and assisted executives achieving dynamic change.


Prior to founding Simier Partners, Claire was the Managing Director to the Global Chairman and Corporate Secretary of the Global Board of the law firm DLA Piper, where she was deeply involved in organizational development and growth, crisis management, business development, corporate governance, executive communications, and partner recruiting and performance. Prior to joining DLA Piper, Claire worked as a Marketing Leader at Fried, Frank, Harris, Shriver & Jacobson LLP. Claire also served as Deputy Director of Communications to the NYC Housing Commissioner and Press Attaché to the French Consul General and Ambassador in NY.

Claire graduated from the External Coach Intensive Program at Columbia University and is a Myers-Briggs Type Indicator® (MBTI®) certified practitioner. She graduated from the Ecole Française des Attachés de Presse, attended the University of Bordeaux, School of Law, and received her BA from Marymount College. She is a native French speaker and fluent in English and Spanish.

Claire serves as an executive mentor for the Women Initiative Foundation’s Mentorship Program, helping women executives and entrepreneurs navigate the transatlantic economy. She has spoken on panels about women’s executive leadership, including for the Stanford Women Entrepreneurs Program, Women Initiative Foundation, and American Chamber of Commerce, France. Claire is a member of the Forbes Coaches Council, an invitation-only community for leading business coaches. She is also a member of the French Founders, a business community of French entrepreneurs and executives. Claire has served on the boards of directors of for-profit and nonprofit organizations. She is a former president council member of the American Chamber of Commerce in France.


  • Private Equity and Hedge Funds
  • Legal and Government
  • Media and Entertainment
  • Retail and Consumer Goods
  • Healthcare and Life Sciences
  • Finance and Banking

Education & Affiliations

  • Women Initiative Foundation – Executive Mentor and Member
  • Forbes Coaches Council – Member
  • French Founders – Member
  • American Chamber of Commerce France – Former Member, President Council
  • Eleven James – Former Member, Board of Directors
  • Edukate – Member, Board of Directors
  • Stanford University, BNP Paribas Women Entrepreneurs Program
  • Columbia Coach Certification Program, Columbia University
  • Ecole Française des Attachés de Presse
  • University of Bordeaux, School of Law
  • BA, Marymount College