Our People 

 

Our consultants are world-class experts who have helped to create some of the profession’s best practices in their areas of focus. While they pride themselves on being industry leaders, they’re most satisfied when they develop innovative solutions that meet a client’s unique needs—and when they communicate that knowledge and insight in ways customers can understand and appreciate.

Management

Photo Shawna Ackerman FCAS, MAAA Principal and Consulting Actuary



Biography
Office Phone: 415-692-0937
shawnaa@pinnacleactuaries.com
Photo LeRoy Boison FCAS, MAAA Principal and Consulting Actuary



Biography
Office Phone: 516-746-7149
lboison@pinnacleactuaries.com
Photo Barbara T. Henderson Executive Director



Biography
Office Phone: 309-807-2303
bhenderson@pinnacleactuaries.com
Photo Joseph A. Herbers ACAS, MAAA Managing Principal



Biography
Office Phone: 309-807-2310
jherbers@pinnacleactuaries.com
Photo Steven G. Lehmann FCAS, FSA, FCIA, MAAA Principal and Consulting Actuary



Biography
Office Phone: 309-807-2302
slehmann@pinnacleactuaries.com
Photo Roosevelt C. Mosley, Jr. FCAS, MAAA Principal and Consulting Actuary



Biography
Office Phone: 309-807-2330
rmosley@pinnacleactuaries.com
Photo Robert J. Walling, III FCAS, MAAA Principal and Consulting Actuary



Biography
Office Phone: 309-807-2320
rwalling@pinnacleactuaries.com

Consultants

Photo Shawna Ackerman FCAS, MAAA Principal and Consulting Actuary



Biography
Office Phone: 415-692-0937
shawnaa@pinnacleactuaries.com
Photo LeRoy Boison FCAS, MAAA Principal and Consulting Actuary



Biography
Office Phone: 516-746-7149
lboison@pinnacleactuaries.com
Photo Erich A. Brandt FCAS, MAAA Consulting Actuary



Biography
Office Phone: 309-807-2311
ebrandt@pinnacleactuaries.com
Photo Christopher S. Carlson FCAS, MAAA Consulting Actuary



Biography
Office Phone: 614-734-8366
ccarlson@pinnacleactuaries.com
Photo Nikklaus J. Frank ARM, ARM-P Risk Management Consultant



Biography
Office Phone: 309-807-2315
nfrank@pinnacleactuaries.com
Photo Derek W. Freihaut FCAS, MAAA Consulting Actuary



Biography
Office Phone: 309-807-2313
dfreihaut@pinnacleactuaries.com
Photo Joseph A. Herbers ACAS, MAAA Managing Principal



Biography
Office Phone: 309-807-2310
jherbers@pinnacleactuaries.com
Photo Bryan Isbell Information Technology Manager



Biography
Office Phone: 309-807-2350
bisbell@pinnacleactuaries.com
Photo Steven G. Lehmann FCAS, FSA, FCIA, MAAA Principal and Consulting Actuary



Biography
Office Phone: 309-807-2302
slehmann@pinnacleactuaries.com
Photo Kevin M. Madigan PhD, ACAS, MAAA Consulting Actuary



Biography
Office Phone: 518-288-0139
kmadigan@pinnacleactuaries.com
Photo Jonathan L. Matthews FCAS, MAAA Consulting Actuary



Biography
Office Phone: 309-807-2314
jmatthews@pinnacleactuaries.com
Photo Laura A. Maxwell FCAS, MAAA Consulting Actuary



Biography
Office Phone: 415-692-0938
lmaxwell@pinnacleactuaries.com
Photo Roosevelt C. Mosley, Jr. FCAS, MAAA Principal and Consulting Actuary



Biography
Office Phone: 309-807-2330
rmosley@pinnacleactuaries.com
Photo Pete S. Rauner FCAS, MAAA Senior Consulting Actuary



Biography
Office Phone: 630-457-1296
prauner@pinnacleactuaries.com
Photo Sandra L. Ross FCAS, MAAA, CIC Consulting Actuary



Biography
Office Phone: 734-927-5103
sross@pinnacleactuaries.com
Photo Paul A. Vendetti FCAS, MAAA Senior Consulting Actuary



Biography
Office Phone: 309-807-2312
pvendetti@pinnacleactuaries.com
Photo John E. Wade ACAS, MAAA Senior Consulting Actuary



Biography
Office Phone: 317-889-5760
jwade@pinnacleactuaries.com
Photo Robert J. Walling, III FCAS, MAAA Principal and Consulting Actuary



Biography
Office Phone: 309-807-2320
rwalling@pinnacleactuaries.com
Photo Gary C. Wang FCAS, MAAA Consulting Actuary



Biography
Office Phone: 309-807-2331
gwang@pinnacleactuaries.com
Photo Shawna Ackerman FCAS, MAAA Principal and Consulting Actuary

Shawna Ackerman is a Principal and Consultant with Pinnacle Actuarial Resources, Inc., in San Francisco, California. She holds a Bachelor of Arts degree in mathematics from Oregon State University. She has worked in the insurance industry since 1989.

Ms. Ackerman is a Fellow of the Casualty Actuarial Society (CAS) and a member of the American Academy of Actuaries. She currently serves the CAS as a member of the Variance Editorial Board. She is the co-chair for the American Academy of Actuaries Extreme Events Committee.

Ms. Ackerman’s consulting experience and practice includes personal and commercial lines ratemaking, rate filing and regulatory compliance, including expert witness testimony in numerous jurisdictions, legislative review and costing and financial modeling. She has considerable experience with California issues including rate filing requirements, sequential analysis, workers compensation and catastrophe models.

Prior to joining Pinnacle Actuarial Resources, Ms. Ackerman was a Senior Casualty Actuary with the California Department of Insurance. At the Department, she was responsible for evaluating ratemaking formulas and procedures for most property and casualty lines of insurance; providing expert witness testimony and other litigation support related to Proposition 103 matters; and analyzing loss and loss adjustment expense reserves for workers’ compensation carriers.

Ms. Ackerman has made numerous presentations on topics relating to rate regulations, ratemaking, including catastrophe ratemaking issues and predictive modeling.

Biography
Office Phone: 415-692-0937
shawnaa@pinnacleactuaries.com