About Karen Thomas
Karen Thomas is a regional managing principal and director at M Arthur Gensler JR & Associates.
Karen Thomas first appears on SEC filings in 2021.
Experience
This experience comes from Karen Thomas's profile and from SEC filings. For roles taken from filings, the years are when the filings name Karen Thomas in the role, so the role may have started earlier or lasted longer.
M Arthur Gensler JR & Associates Inc. Current
Regional Managing Principal and Corporate Board Director
2011 – Present · San Francisco, CA
Provides architecture, design, and consulting services to clients worldwide.
TW
The University of Washington
Part-time Lecturer/ Faculty
2003 – 2016
TM
The Henry, Contemporary Art Museum
Deputy Director
2009 – 2011
TT
Thomas & Thomas
Founder, Design Principal
2001 – 2011
TM
The Smith Group (Stone Marraccini & Patterson, prior to merger)
Managing Principal; Senior Vice President; Architect/Studio Leader
1986 – 2001
Key Colleagues at Startups
The people Karen Thomas works with at each company, as listed on that company's latest Form D.
M Arthur Gensler JR & Associates Inc. · Form D, Apr 14, 2026

Kenneth Baker
Co-Regional Managing Principal and director
CS
Cynthia Simpson
Director
YY
Yousif Yousif
Director

Philippe Phaneuf
Chief Operating Officer, Principal and director

Elizabeth Brink
Co-CEO, Principal and director
GL
Giuseppe Lauro
Director
AC
Andrew Cohen
Director
RA
Ryan Alvarez
Assistant Secretary

Diane Hoskins
Global Co-Chair
KH
Kevin Heinly
Co-Regional Managing Principal, Co-Managing Director

Duncan Swinhoe
Regional Managing Principal and director

Jean Anderson
Design Synergy Community Co-Leader, Design Director, Principal

Joseph Brancato
Regional Managing Principal and director
GR
Gregory Richart
Chief Financial Officer

Jordan Goldstein
Co-CEO, Principal and director
