Charles D. Cahill FCA MAAA FSA EA

Consulting Actuary and Managing Director, River and Mercantile

Contact Information

River and Mercantile
130 Turner Street
Waltham, MA 02453
Charlie has served clients and their retirement plans for almost 30 years. He has extensive experience with all aspects of post-employment benefit plans. He has consulted on qualified and non qualified plans, defined benefit and defined contribution plans. He has consulted on both corporate and public entities’ post-retirement medical benefit programs. Prior to joining P-Solve Cassidy at the end of 2009, Charlie spent 17 years with Aon Consulting, where he was a Senior Vice President and the Boston Retirement Practice Leader. He also served two years as Chair of Aon’s National Practice Council. Charlie has spoken at numerous conferences. Charlie’s professional designations include Fellow of the Society of Actuaries (FSA), Enrolled Actuary, Joint Board for the Enrollment of Actuaries (EA), and Member, American Academy of Actuaries (MAAA). In 2010, Charlie was elected to a three year term on the Society of Actuaries’ Pension Section Council He has a Bachelor of Science in Applied Mathematics from the University of Massachusetts, Amherst.

CCA Member Since 2003

Corporate DB/DC

Plan Exit Strategy 2017 CCA Annual Meeting (October 24, 2017)

Retirement Income - How Do You Improve Your Chances of Having Enough? 2015 CCA Annual Meeting (October 26, 2015)

Plan Terminations 3 – Getting It Done Plan Terminations 3 – Getting It Done (April 11, 2012)

My Plan is Frozen 2012 Enrolled Actuaries Meeting (March 27, 2012)

Pension Funding Relief – Wuh! 2011 CCA Annual Meeting (October 24, 2011)

Executive Retirement Benefits - A Moving Target 2010 CCA Annual Meeting (October 25, 2010)


The Conference of Consulting Actuaries (CCA) serves only as a clearinghouse for providing a list of its members and their specific areas of practice. The information appearing with each members name regarding their practice areas was furnished by the member and has not been independently verified in any way by the CCA. Neither the CCA nor its officers, members, or staff make any warranties or representations as to the professional competency of these individuals. Each person who is considering the use of the services of an actuary listed is advised to make an independent judgment regarding their choice of persons whose services they wish to utilize.