
Andrea Weiss
Chief Executive Officer
As HBM’s Chief Executive Officer, Andrea Weiss oversees all aspects of operations, training, financial management, and business…

Janet Kwong
Chief Financial Officer
As Chief Financial Officer of HBM, Janet Kwong leads the company’s financial strategy, overseeing all accounting…

Kerry Won
Chief Operating Officer
Mr. Kerry Won, Chief Operating Officer, is responsible to oversee and manage day-to-day operations…

Jodi Okada
Vice President of Operations
Jodi Okada is the Vice President of Operations, providing supervision and leadership across all of HBM’s four departments…

Jim Birchfield
Mr. Birchfield joined Hawaiian Building Maintenance in 1998 as a building Chief Engineer and is currently responsible…

Dawn Eyman
Ms. Eyman joined Hawaiian Building Maintenance in 1999 as a Human Resources Intern while still attending the…

Eric Kang
Senior Accounting Manager
As the Senior Accounting Manager, Eric Kang has over seven years of accounting experience gained from diverse entities…

Chief Executive Officer
As HBM’s Chief Executive Officer, Andrea Weiss oversees all aspects of operations, training, financial management, and business development across HBM’s Janitorial, HVAC, Engineering and Restoration departments. She comes to HBM following over a decade of service as a Navy Submarine Warfare Officer where she led cross-functional teams in time-critical operations. Her roles spanned positions in submarine operations, nuclear propulsion, safety administration, weapons systems, shipyard maintenance, technical training, operational planning, quality assurance and personnel management. She graduated with a dual degree in Mechanical Engineering, B.S., and Physics, B.A., from Columbia University and Willamette University, respectively. She additionally holds a Master of Arts in Security Studies from Georgetown University, School of Foreign Service.

As Chief Financial Officer of HBM, Janet Kwong leads the company’s financial strategy, overseeing all accounting functions, financial planning, and compliance. She brings expertise in financial analysis, budgeting, and forecasting, ensuring the organization’s fiscal health and operational efficiency. Janet is a graduate of the Wharton School of Business at the University of Pennsylvania, earning a Bachelor of Science in Economics with dual concentrations in Accounting and Healthcare Management. She maintains a CPA license and is a member of the Hawaii Society of CPAs.

Kerry Won
Mr. Kerry Won, Chief Operating Officer, is responsible to oversee and manage day-to-day operations, project timelines, business developments and employee development. With 36 years of experience in telecommunications operations, he has demonstrated exceptional leadership, a strong focus on performance optimization, and expertise in implementing effective manufacturing processes within field operations. Throughout his career, Mr. Won has prioritized workplace safety, spearheading numerous initiatives in compliance with OSHA regulations. Mr. Won graduated from the University of Phoenix with a Bachelor of Science degree in Business Management.

Vice President of Operations
Jodi Okada is the Vice President of Operations, providing supervision and leadership across all of HBM’s four departments – Janitorial, HVAC, Engineering, and Restoration. Her industry expertise was built on decades of experience at HBM at roles spanning Payroll, Director of Internal Operations, and Director of HVAC. In addition, Jodi leads HBM’s team of Janitorial Account Managers through contract negotiations, customer relations, and day-to-day site supervision.



Senior Accounting Manager
As the Senior Accounting Manager, Eric Kang has over seven years of accounting experience gained from diverse entities. In his recent role as a Senior Consultant at KMH LLP (RSM Affiliated), he served as the in-charge professional for various engagements, including Non-Profit, Trust and Estates, Real Estate Development, Litigation-support, and government sectors. Eric’s expertise extends to accounting advisory, financial reporting, and process improvement, making him an invaluable asset to our organization. His responsibilities include overseeing financial reporting and analysis, budgeting and forecasting, and system implementation. Additionally, Eric provides support in enhancing operational efficiency and ensuring that financial standards are met across all engagements. Mr. Kang graduated from the University of Hawaii with a Bachelor’s degree in Business Administration and a Master’s degree in Accounting while maintaining an active CPA license.


Mr. Walters joined Ogden Allied Services in 1990 and was responsible for developing the commercial market for facility services in Tulsa, Oklahoma. His success there, led him to be promoted by the company to President of HBM in 1994 and he remained so after UNICCO’s acquisition in 1996. Mr. Walters received a Bachelor of Science degree in Business from Southwestern State University in Oklahoma in 1971. His entrepreneurial spirit led him to excel in the insurance industry before going out on his own. As the eventual owner of one of Oklahoma’s largest executive search firms, he provided professional executive level services to oil & gas companies, Big 6 accounting firms, law firms & commercial real estate clientele. Always active in the community, Jim particularly enjoys dedicating his time and energy to volunteer work and has served on numerous boards and committees throughout his career. Jim is the Past President of Palama Settlement and has been a board member for the Boy Scouts of America, IFMA and BOMA where he has chaired and sponsored many community events.



Mr. Serna joined HBM in 2023 as the Chief Operating Officer and is directly responsible for overseeing daily operations and administration, including strategic implementation centered around business optimization and capabilities. As a veteran of the U.S. Army, he brings over 19 years of diverse leadership and management across cross-functional teams and environments. Mr. Serna holds a Bachelor Degree in Justice Administration from Hawai’i Pacific University, a Master of Science in Criminal Justice from Grand Canyon University, and a Master of Science in Project Management from the University of Southern California. Mr. Serna is also certified in Six Sigma.
