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Leadership & Board

Senior Management Team

Scott DienerScott Diener

President & Chief Executive Officer

Julie BurnsJulie L. Burns

Senior Vice President & Chief Human Resources Officer

Mark JohnsonMark D. Johnson

Senior Vice President & Chief Financial Officer

Kara RicciKara M. Ricci

Senior Vice President, Chief Legal Officer & Corporate Secretary

Ron RuminRonald C. Rumin

Senior Vice President & Chief Operating Officer

Timothy SmithTimothy C. Smith

Senior Vice President & Chief Claims Officer

Andre StewartAndre J. Stewart

Senior Vice President & Chief Underwriting Officer


Senior Leadership 

Joy E. Corso 
Vice President, Marketing & Communications

Jason A. Gingerich 
Vice President & Treasurer

Thomas J. Lownik
Vice President, Underwriting

Dennis A. Meisel
Vice President, Finance & Controller

Michael W. Perkins
Vice President, Information Technology

Michael G. Roque
Vice President, Business Development

Dustin A. Shaver
Vice President, Risk Management

Neil E. Simons
Vice President, Product Development

Jeffery J. Smith
Vice President & Chief Actuary


SBerettaSandra L. Beretta, MD

Chair, Obstetrics & Gynecology

Dr. Beretta has been a Director since 2011, as well as a member of the Claims Advisory Committee since 2003. She is a managing partner of a private practice partnership in San Mateo, CA and has been a practicing OB/GYN for nearly 25 years.

FCobarrubiasFabiola Cobarrubias, MD, MBA

Vice-Chair, Hospitalist

Dr. Cobarrubias has been a Director since 2012, and served as a hospitalist consultant to NORCAL’s Claims Advisory Committee since 2008. She is a hospitalist at California Pacific Medical Center, where she held the position of Medical Director - Hospitalist Service from 2004 to 2011. She is also a founder, past president and current board member of Pacific Inpatient Medical Group.

SPackerSteven Packer, MD

Secretary of the Board, President and CEO of Community Hospital Foundation

Dr. Packer has been a Director since 2013. He is President and CEO of Community Hospital Foundation and its related companies. He previously served as Chair of the California Hospital Association.

PDaileyPatricia A. Dailey, MD


Dr. Dailey has been a Director since 2004. She has served as President of the California Society of Anesthesiologists, and has practiced as an anesthesiologist in San Mateo County for more than 28 years. She currently is a Director of Mills-Peninsula Medical Group.

SDienerScott Diener, MSIM, CPCU, ARe

President & CEO, NORCAL Mutual Insurance Company

Mr. Diener has been a Director since 2015, and has served as President and Chief Executive Officer for the NORCAL Group of companies since 2011. He is a 37-year veteran of the insurance industry, specializing in medical professional liability. His work has spanned several areas of the industry including claims, risk management and business development.

AGannonAlice H. Gannon, FCAS, MAAA, CPCU


Ms. Gannon has been a Director since 2009. As an actuary, she has worked in the insurance industry for more than 40 years. She serves on the Board for the Texas Windstorm Insurance Association and the Insurance Institute of Highway Safety and Highway Loss Data Institute.

RHayashiRoger M. Hayashi, MD

Vascular Surgery

Dr. Hayashi has been a Director since 2004, and served as a surgical consultant to the Claims Advisory Subcommittee since 1996. He has retired from practice as a vascular surgeon in Santa Clara County after 34 years. He served as Chair of the Department of Surgery and Chair of Cardiovascular Services at Good Samaritan Hospital. He has also served as a Councilor to the Northern California Vascular Surgery Society.

DKokenM. Diane Koken, JD

Legal Consultant

Ms. Koken has been a Director since 2009. She has been an attorney and insurance professional for more than 40 years, and served as the Pennsylvania Insurance Commissioner from 1997 to 2007. Ms. Koken is currently a consultant and Director of Nationwide Mutual Insurance Company and Nationwide Mutual Fire Insurance Company.

RPatchinRebecca J. Patchin, MD


Dr. Patchin has been a Director since 2011. She has been an anesthesiologist and pain management specialist in Riverside-San Bernardino counties for over 20 years. She serves on the Board for The Center for Transforming Health Care.

SSyphaxScott C. Syphax

President & CEO, Nehemiah Corporation of America

Mr. Syphax has been a Director since 2011. He leads the Nehemiah Corporation of America (NCA), a not-for-profit community development corporation based in Sacramento, CA. Mr. Syphax also serves on the Board of Directors for the Federal Home Loan Bank of San Francisco and is Chairman of ValleyVision.