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Who We Are

Our Team

Paul Joo, CPA (714) 537-1200

Mr. Paul S. Joo, CPA, is the owner and general manager of the firm. He studied accounting at UCLA graduating in 1988. After graduation, he spent several years working as a Senior Auditor at various accounting firms including PriceWaterhouse Coopers, one of the world's largest professional accounting firms, where he acquired invaluable consulting skills working with many successful corporate owners. As part of these engagements, he witnessed the positive influence of his services on his clients as their businesses prospered. This hands-on business experience prepared him to be a successful entrepreneur in his own accounting firm, Paul S. Joo, CPA Accountancy Corporation which he established in December, 2005 in Garden Grove, California.

As a result of his expert knowledge and prudent character, the firm has experienced tremendous growth since opening. In November 2010, the practice expanded through the opening of a second branch office in Brea, CA. This enabled the firm to service a broader client base including clients located in Northern Orange County. The firm services a wide range of clients from many different industries, domestic and foreign, including but not limited to manufacturers, labor union chapters, non-profit entities, wholesalers and retailers and for profit schools.

Mr. Joo has been frequently invited to speak on various tax topics including Gift and Estate planning and Real Estate taxes in seminars and local attorneys' BAR associations meetings. Mr. Joo is also pursuing a Masters' degree in Taxation at Golden Gate University. Mr. Joo has been a CPA since 1996.

Joan Worley 714-537-1200

Ms. Joan Worley earned her Bachelor of Arts degree in Accounting at Golden Gate University. She began her career working for a local accounting firm in San Francisco where she received experience in all areas of accounting from financial statement preparation to auditing and tax preparation. In 1991, she returned to Southern California where she grew up and acquired her own accounting firm. The firm handled accounting for small businesses and tax preparation for businesses and individuals. In February of 2020 she joined our firm. Joan enjoys working with clients to ensure that their tax returns are accurate and that all deductions and credits have been applied in order to result in the lowest tax liabilities.

Kelly An, CPA (714) 537-1200

Ms. Kelly An started her career in 2008 at a local CPA firm. Before joining our team in November 2016, Kelly has been working to assist small to medium businesses in a variety of industries and individuals with their taxation, tax planning, bookkeeping, and other accounting services. She earned her Bachelor of Arts degree in Business Administration with accounting concentration at California State University, Fullerton graduating in May, 2013 with honors Magna Cum Laude. She obtained her CPA license in January 2019. Kelly says she is enjoying helping other people with their tax returns and tax issues.

HyunJoo Kim 714-537-1200

Joining this firm on November 2017 was Ms. HyunJoo Kim, who had worked for an international logistic company as the accounting manager for six years. She was in charge of comprehensive accounting duties including international tax report, fund management, MIS and other accounting matters.

She earned her Bachelor of Science degree in Computer Engineering from Chung-Ang University in Seoul, South Korea, and also received second Bachelor of Science degree in Business Management while she had worked as an accounting programmer for Korean Federation of Community Credit Cooperatives.

She passed the all CPA exams and holds license of CISA (Certified Information Systems Auditor) and CIA (Certified Internal Auditor).

HyunJoo says the numbers show everything about a company and how well accountants manage their company finances. As a prudent accountant, she feels great about her important responsibility and her daily challenging work makes her fascinated.

Jessica Kim 714-537-1200

Ms. Jessica Kim is a California State University, Long Beach graduate with a Bachelor of Science, Accountancy in August 2016. She joined the Paul S. Joo, CPA firm to obtain a wide range of accounting experience which enables her to provide relevant advice and assistance to business owners with internal accounting, periodic reporting, forecasting and implementation of succession plans. Jessica continues to further her knowledge by preparing for the CPA exam.

Jessica Says, “Accounting is not boring, recording transaction, analyzing them, and looking for legal ways of cutting tax expenditures. I want to help my clients and community identify cost-cutting measures they hadn’t previously discovered, and developing tax strategies.”

Kiwon Kim 714-537-1200

Mr. Kiwon Kim graduated from UCLA majored in International Development studies, gained critical thinking and problem solving skills from multidisciplinary courses, and he decided to jump to the public accounting field to work with people and companies from a variety of industries, help their business become financially sound and successful. After passing the CPA exams, he started his career as a tax accountant in Orange County working mostly with real estate and hospitality industries to minimize their tax burden. He is working at Paul Joo CPA as a senior accountant, providing accurate accounting services that clients need and allowing them to focus on their own business.

Soobin Jung 714-537-1200

Ms. Soobin Jung graduated with a bachelor degree in Business Administration, from Chung-Ang University in 2017. She started her career at a Public CPA firm in Seoul and has worked in the various fields of accounting related to management of small business, payrolls, tax reporting and tax consulting.

Soobin is highly enthusiastic and dedicated accountant with strong communication skill. Furthermore, She is working towards obtaining an EA and CPA license to advance her accounting/tax knowledge.

Chaeeun Kim 714-537-1200

Ms. Chaeeun Kim earned a Bachelor’s degree in Accounting from San Francisco State University in 2021. Prior to joining Paul S. Joo, CPA accounting firm, she volunteered for VITA (Volunteer Income Tax Assistance) where she helped low-income families and minorities file their tax returns.

In the firm, she provides professional accounting and tax return services for both individual and business clients. She meets the licensing educational requirements and is working towards obtaining the California CPA license.

Jane Baek 714-537-1200

Ms. Jane Baek obtained a Bachelor of Arts in Business Administration with a concentration of Accounting at California State University, Fullerton in May 2021. She is currently pursuing a Master’s Degree in Accountancy to expand her knowledge of accounting fields and plans to take the CPA exam in 2022. She believes that constant learning makes life interesting and exciting. For this reason, she has prepared herself to become a successful accountant by working hard.

Jane also believes that accounting is a fun and enjoyable profession. Even though there could be some times that you should deal with challenging situations, enjoyment of an accounting job is being able to provide strategic advice to clients and their organization.