Firm Profile > Partners
jongsiong@rbz.com
Tel:310.478.4148 x326

Jeffrey Ong-Siong

Jeff Ong-Siong’s career includes 20 years of public accounting experience. He is responsible for the delivery of accounting and attest services, business and individual tax, and consulting services to a variety of clients in the middle-market and real estate industries. Jeff’s middle-market experience includes serving the hospitality, manufacturing and distribution, architecture, and high technology industries, while his real estate experience includes serving shopping centers and commercial building owners.

Jeff’s consulting expertise includes due diligence for mergers and acquisitions, financial projections and budgeting, deferred compensation arrangements and strategies, and internal control review and remediation. His goal in serving clients is to communicate expectations clearly and deliver above and beyond their expectations.

Jeff extends his commitment to service into the community. He is an allied member of the Los Angeles Chapters of the American Institute of Architects and the Hospitality Financial and Technology Professionals association. Currently, he serves as, or is a past board member of, A Community of Friends, Asian Business League of Southern California and the Los Angeles Chapter of the California Society of Certified Public Accountants.

Jeff is a member of the American Institute of Certified Public Accountants and the California Society of Certified Public Accountants.

Jeff graduated with a Bachelor of Science degree from the University of the Philippines and earned a Master of Business Administration degree from Michigan State University. He is a lifetime member of the honors business fraternity, Beta Gamma Sigma, and is a graduate of Leadership Los Angeles.

Jeffrey's perspective on service