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Keith Hamasaki, CPA
PRINCIPAL — ASSURANCE & ADVISORY
MANUFACTURING & DISTRIBUTION INDUSTRY LEADER
Keith Hamasaki is passionate about empowering others so they can build a better future for themselves. He reveals these possibilities by bringing together a strong and cohesive team to provide his clients value-added experience through collaborative partnership. With nearly two decades of consulting experience, Keith specializes in audit and business advisory services to emerging and middle market companies in areas such as process improvement, internal controls, technical GAAP accounting implementation, and procedural review assessments. As someone who has consistently overcome challenges, Keith has developed an expertise in a variety of industries including real estate and construction, financial services, technology, digital media, restaurants, hospitality, not-for-profit organizations, and employee benefit plans. Further, Keith leads the firm’s Manufacturing and Distribution Industry Group and oversees the day-to-day operations of the firm’s Assurance & Advisory practice.
Prior to joining KROST, Keith was a Fund Controller at a SEC-registered investment advisor of institutional quality commercial real estate portfolios, where he oversaw the value-added commingled fund and separate accounts. Before this, he was an Experienced Assurance Manager at a top 10 national firm where he served clients in many industries.
Keith is recognized as a thought leader and industry speaker on topics of business and accounting issues. He has spoken for organizations and educational institutions such as CalCPA, California State University Northridge, Loyola Marymount University, Glendale Community College, and Pasadena City College. Further, Keith regularly instructs continuing education courses on audit methodology and analytical review procedures for professional staff. As an active member of the community, Keith has been a recurring Selection Committee Member for the Los Angeles Business Journal’s CFO of the Year Awards and is on the Professional Advisory Board for Accounting Curriculum at Pasadena City College and Glendale Community College.
Education
- Bachelor of Science in Accountancy, California State University, Northridge
- Bachelor of Science in Business Administration with Emphasis in Business Law, California State University, Northridge
Professional Affiliations
- Member of American Institute of Certified Public Accountants (AICPA)
- Member of California Society of Certified Public Accountants (CalCPA)
- Member of Asian Pacific CPA Association
Extracurricular Activities
- Asian Pacific CPA Association, Board Member (2018 – Present)
- Professional Advisory Board for Accounting Curriculum at Glendale Community College (2018 – Present)
- Professional Advisory Board for Accounting Curriculum at Pasadena City College (2017 – Present)
- CalCPA, Officer – Los Angeles (May 2017 – Present)
- CalCPA, Board of Director – Los Angeles (November 2015 – Present)
- Urban Land Institute, Los Angeles Strategic Partnership Committee (2016 – Present)
- Urban Land Institute, Los Angeles Strategic Partnership Committee (2016 – 2018)
- Los Angeles Business Journal, CFO of the Year Award Selection Committee Member (2016, 2017, and 2018)
- Attendee of CalCPA Leadership Institute (2013 – 2014)
Certificate
- AICPA Cybersecurity Advisory Services
- AICPA + CIMA Data Analysis Fundamentals
Keith's Thought Leadership

Keith Hamasaki Named a Top 100 Accountant by Los Angeles Business Journal
November 3, 2022Pasadena, California – KROST’s Assurance & Advisory Principal, Keith Hamasaki, CPA, has made the Los Angeles Business Journal’s Top 100 Accountants list. In addition, he is also in the running for the specialty awards that will soon be announced. We will be supporting Keith at the 2022 Top 100 Accountants event on November 9, 2022, Read the full article…

KROST is Attending the Clio Cloud Conference
October 5, 2022Our Assurance & Advisory Principal, Keith Hamasaki, CPA, and Marketing Director Anna Chen are attending the Clio Cloud Conference. The conference takes place from October 10th-11th and will be held at the Gaylord Opryland Resort and Convention Center in Nashville, Tennessee. Our team will be networking and attending sessions on topics such as billing processes, Read the full article…

Making a Difference
June 29, 2022One of the most eye-opening experiences I ever had in my professional career was within the first two months of starting my public accounting journey. Let me set the stage. It was the end of busy season, everyone was tired and we saw a partner walking over. Immediately we thought we’d receive more work, but Read the full article…
![[Feature] PulseOne: Tech Talk [Feature] PulseOne: Tech Talk](https://www.krostcpas.com/wp-content/uploads/Pulse-one-Tech-Talk-1-1.jpg)
[Feature] PulseOne: Tech Talk
June 8, 2022Our Assurance & Advisory Principal, Keith Hamasaki, was featured on the latest PulseOne Tech Talk with Chad Wiggins. Keith discussed data analytics and ways it could help businesses as well KROST’s new service, KROST Business Intelligence which is a cloud-based data solutions platform that can translate unstructured, impossible-to-read data into structured, real-time insights. If you Read the full article…

KROST is Attending the AICPA ENGAGE22 Conference
June 6, 2022Our CEO, Jason Melillo, Assurance & Advisory Principal, Keith Hamasaki, Assurance & Advisory Senior Manager, Steve Chhuor, and Assurance & Advisory Manager Rebecca Hickle, are attending the AICPA ENGAGE Conference. The conference takes place from June 6th through June 9th and will be held at the Aria Resort and Park MGM in Las Vegas. Our Read the full article…

Press Release: Keith Hamasaki, CPA, Named President of CalCPA Los Angeles Chapter
June 1, 2022Los Angeles, California – May 7, 2022 – KROST’s Assurance and Advisory Principal, Keith Hamasaki, CPA, has been elected President of the California Society of Certified Public Accountants (CalCPA) Los Angeles Chapter. Keith has served as a board member for the CalCPA LA Chapter since 2015 and has gained years of experience through his roles Read the full article…

Connecting Timekeeping with Practice Management for Law Firms
May 31, 2022Pasadena, CA. – KROST CPAs and Consultants, a tax, accounting, and consulting firm based out of Los Angeles, has launched KROST Business Intelligence (KBI), offering dynamic insights into realization, staff utilization, project turnaround, and more. For law firms that want to reduce their timekeeping clutter and manage their practice more effectively. The cloud-based tool provides Read the full article…

Press Release – KROST Announces Greg Kniss as Chairman of the Board, Jason Melillo as CEO and Keith Hamasaki as Principal of Assurance and Advisory
February 4, 2022LOS ANGELES, CA [Feb 4, 2022] — Los Angeles-based CPA Firm, KROST CPAs and Consultants announced that Greg Kniss has been appointed to Chairman of the Board, Jason Melillo promoted as the new CEO, and Keith Hamasaki to Principal of Assurance & Advisory services. Greg Kniss has been actively involved with the firm’s business consulting Read the full article…

KROST Business Intelligence – Real-Time Data Insights for Middle-Market Businesses
November 9, 2021Pasadena, CA. – KROST CPAs and Consultants, a tax, accounting, and consulting firm based out of Los Angeles, has launched KROST Business Intelligence (KBI), offering dynamic insights into realization, staff utilization, project turnaround, and more. The cloud-based tool provides a visualization dashboard that connects data from various software platforms into one location. In addition, the Read the full article…

KROST Director, Keith Hamasaki is Recognized by LABJ as a Minority CPA of Influence
August 10, 2021Keith’s hard work and dedication to the needs of his clients have been hallmarks of his time at KROST, and as the industry leader for KBI he has taken his client service to the next level. In implementing KBI, Keith and his team of analysts have leveraged raw data from client systems into dynamic reports Read the full article…