As a kama‘aina company serving the health and wellness needs of Hawaii for decades, HMAA is truly passionate about your health. Our customers and affiliates take comfort in knowing they are working with a local health insurer that truly understands our local business environment and appreciates Hawaii’s unique culture, values and traditions.

Our founder, Arnold Baptiste, Sr., a Kauai native, believed in contributing to his community in his private, public and professional life. As an advocate for small business, he formed HMAA in 1989 to provide health insurance alternatives for Hawaii businesses. Prominent businessman Fred Trotter served as a board member from 2006 to 2011. Drawing upon his many years of experience in management and as a trustee and director at some of Hawaii’s leading organizations, Mr. Trotter provided strong guidance and leadership during his tenure. Today, we are one of the largest health insurers in the state and continue to provide exceptional benefits, one-on-one personalized service, flexibility and choices for Hawaii’s businesses.

In addition to our Preferred Provider Health Plans, we also offer customized cutting-edge wellness programs and value-added services for employers and members.

John Henry Felix was named to the HMAA Board of Directors and elected Chairman and CEO in 2006. He has had a distinguished career in business, government, labor-management relations, community service, diplomacy and education spanning more than five decades. John Henry’s experience and leadership has allowed our company to thrive as it enters its third decade by focusing on superior client service, communication and excellence.

Better Business Bureau

HMAA is committed to providing Hawaii’s businesses and their employees and families with quality, affordable health insurance benefits for traditional and alternative medical services.

HMAA commits itself to excellence in service; loyalty to its members and their families; and pride in providing quality and affordable health insurance benefits.

Arnold Baptiste, Sr.’s values remain the cornerstone of our success:

Loyalty · Pride · Quality · Excellence · Commitment

Officers and Directors

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Executive Chairman

John Henry Felix was named to the Board of Directors and elected Chairman and CEO in 2006. He has had a distinguished career in business, government, labor-management relations, community service, diplomacy and education spanning over five decades. Dr. Felix served as Chief of Staff to the first Governor of the State of Hawaii. President Reagan appointed him U.S. Representative to the South Pacific Commission. He has chaired more than a dozen state and county boards and commissions and served for 16 years on the Honolulu City Council. A Menlo College alumnus (’49), he holds two Oxford M.A. degrees (Harris Manchester College). At Oxford, he is Fellow, Vice President, and a member of Congregation and the Chancellor’s Court, is a retired business faculty member, and is a Life Member of the Oxford Union.

An Eagle Scout, he has headed the Salk Institute for Biological Studies, Red Cross (internationally, nationally and locally), Boy Scouts’ Aloha Council, March of Dimes (nationally and locally), Consular Corps of Hawaii, Hawaii Public Radio (founder), Young Presidents Organization, Civil Air Patrol (Hawaii Wing Commander), Junior Achievement, and Academy of the Pacific; he is currently Chair-CEO of Abilities Unlimited. He is the Honorary Consul of Portugal and Honorary Vice Consul of Spain and has served as Chair of the Plaza Club.

Dr. Felix holds a doctorate in Public Policy and Administration and has written six books and numerous articles on governance and volunteer development. He has received numerous awards locally, nationally, and internationally.

President, CEO & Director

Bill McCorriston is senior partner of Honolulu’s fifth-largest law firm, McCorriston Miller Mukai MacKinnon LLP. He is recognized by peer rating agencies such as Chambers USA, Martindale-Hubbell, Best Lawyers of America, Best Lawyers of Hawaii, and Corporate Counsel’s Top Lawyers, as one of the predominant litigators in Hawaii. He is a fifth-generation member of a local family.

Mr. McCorriston has served as President of the Hawaii State Bar Association, Chairman of the Honolulu Charter Commission, and on various non-profit boards.


Dennis Y.C. Kwan is a Certified Public Accountant with more than 30 years of experience in strategic financial planning, analytics, expense containment through process redesign, and risk management. His technical and business qualifications include the proven ability to analyze an organization’s critical business processes, identify deficiencies and potential opportunities, and develop innovative and cost-effective solutions for enhancing competitiveness and increasing revenues.


Karen Mukai is President and Chief Operating Officer of Abilities Unlimited, a non-profit organization whose mission is to empower individuals with disabilities. Karen and her team of advocates build a more inclusive society through community engagement and education programs. Karen serves on other boards including the Hawaii Waiver Providers Association, Manoa Valley Theatre, March of Dimes Hawaii Chapter, Seagull Schools, St. Francis Healthcare System, and Women’s Fund of Hawaii. She was appointed as a Commissioner by Governor Ige to the Hawaii Commission for National and Community Service, which administers Hawaii’s AmeriCorps State programs. Karen’s hobbies include babysitting her grandchildren and planning family trips.


Ken Mansfield has been an active member of Hawaii’s legal community for over 23 years, and he currently serves as a United States Magistrate Judge.  Mr. Mansfield is a longtime volunteer, from serving as a Director with the Young Lawyers Division of the HSBA, to coaching years of Honolulu youth baseball and soccer, to currently serving as a Trustee for Abilities Unlimited Hawaii and a Director of the American Judicature Society.


Warren Price has more than 30 years of experience in Hawaii’s legal community and has served as Attorney General for the State of Hawaii under Governor John Waihee in the late 1980s and early 1990s. Mr. Price is an AV Peer Review Rated Attorney, the highest designation awarded by the Martindale-Hubbell Service, and is experienced in all aspects of State and Federal Court litigation.

Mr. Price is currently the senior partner of the law firm Price Okamoto Himeno & Lum.

News & Media

HMAA celebrates 35 years of healthcare coverage

HMAA is proud to celebrate 35 years as one of the most trusted local health insurers by Hawai‘i’s businesses, serving thousands of employers and their members. Our Kaua‘i-born founder, Arnold Baptiste, Sr., established HMAA [...]

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Change Healthcare experienced a cybersecurity issue on its network on February 21, 2024 which is impacting the ability of all pharmacy benefit managers (PBMs) and many healthcare providers nationwide to process prescriptions through patients’ [...]