Williams is taking on a new role as managing executive officer and co-head of International Business for Tokio Marine Holdings, Inc.
Rivera has served as Tokio Marine HCC’s executive vice president and chief operating officer since April 1, 2018. From 2014 to 2015, she served as an independent director on the company’s board of directors and served on the Audit Committee, the Compensation Committee and the Enterprise Risk Oversight Committee.
From 2009 until March of this year, Rivera served as president and CEO of V3 Insurance Partners, a managing general agency based in Pennsylvania. From 2007 to 2009, she was president of QBE Specialty and chief actuary of the Americas division of QBE Insurance Group Limited.
Rivera was president and chief underwriting officer of Praetorian Insurance Co. from 2006 until its acquisition by QBE in 2007.
Prior to 2006, she was CEO of ACE USA, where she resigned after three years. Before ACE, Rivera spent 15 years at AIG, holding a variety of positions of increasing responsibility including with its National Union and American Home Insurance subsidiaries.
Headquartered in Houston, Tokio Marine HCC is a specialty insurance group with offices in the United States, the United Kingdom and continental Europe.