BRADFORD L. HALL CPA - Managing Director

Bradford L. Hall, CPA

Managing Director

As the Managing Director of the firm, Brad is actively involved in all aspects of taxation, auditing, and business planning. He has over thirty years of experience in public accounting. … Read More

Michael Silvio, CPA

Tax Director

Mike is a Director of Tax, focused on Tax Services at Hall & Company. He has more than 28 years of experience in public accounting and tax planning, and he … Read More

Tony Price, CPA

Audit Director

Tony has nearly 20 years of experience in public accounting primarily in the Assurance area. He began his career in 1998 with one of the largest Orange County CPA firms. … Read More

Rick Lange

Director of Business Development

Rick Lange has joined Hall & Company as Director of Business Development. Before joining Hall & Co. , Rick worked with Comerica Private Bank and Northern Trust as Senior Wealth … Read More


Ellen A. Bartholemy, CPA


Ellen is an Accounting Principle with over thirty years of experience in public accounting. She has extensive experience with financial audits, reviews and compilations of closely held companies. Her responsibilities … Read More

Penny Y. Chan, CPA

Principal of Accounting Services

Penny has over eighteen years of experience in public accounting. She has strong experience with financial audits, reviews, and compilations of closely held companies as well as a broad base … Read More

Cory Youngberg, CPA


Cory has more than 30 years of experience in public accounting in the taxation arena. His specialty is flow through entities such as S-Corporations, Partnerships, and LLCs in addition to … Read More

Michael Christian CPA

Michael Christian, CPA


Michael is a Principal in the Audit Department at Hall & Company. With 25 years of experience serving clients within the United States and internationally, he focuses primarily on privately … Read More

Simon Dufour, CPA


Contact Information 111 Pacifica, Suite 300 Irvine, CA 92618-3705 Phone: 949-910-HALL (4255) ext. 233 Fax: 949-910-4256 Download vCard  Experience: Simon has been in public accounting since 2001. He provides assurance and consulting … Read More

Rex Vollmer, CPA


Rex is a Principal in the Audit Department at Hall & Company. Rex has a broad range of auditing experience, and has audited companies in a wide-range of industries, including … Read More

Dale Hanger, CPA

Principal of Accounting, Taxation & Management

Dale is a principal of accounting, taxation, and management consulting services to closely-held companies in a variety of industries. With over 50 years of experience in public accounting and private … Read More


Hannah Shim, Controller

Hannah Shim, Controller

Hannah has over 10 years of experience as an accounting controller. She works with businesses with revenues ranging from $5 million to $800 million in a variety of industries, including … Read More

Jacqueline van Doleweerd

Jacqueline van Doleweerd

Operations Manager

Jacquie is our Operations Manager and has over thirty years of administrative/operations experience. She is a skilled Tax Operations Manager, as well as a skilled office manager and executive/administrative assistant … Read More

Tony Bui

Senior Tax Manager

Tony has over 14 years of tax accounting experience with flow-through entities (Partnerships, LLCs, and S corporations) as well as multi-state consolidated corporations. Tony has worked with clients ranging from … Read More

Lucia Valenzuela, ESQ

Senior Manager of Specialty Tax Services

Lucia is our Senior Manager of Tax Specialty Consulting. Her practice is focused on helping clients identify and substantiate Research and Development (R & D) Tax Credits. She also assists … Read More

Lynn Talbot CPA - Tax Manager

Lynn Talbot, CPA

Senior Tax Manager

Lynn has over eighteen years of experience in public accounting. Her experience spans a variety of industries including manufacturing, distribution, real estate and professional services. Throughout her career, she has … Read More

Michael P Nunez Senior Tax Manager

Michael P. Nunez

Senior Tax Manager

Michael Nunez is a former tax partner with McGladrey’s State and Local Tax Services. Prior to that he worked for Deloitte specializing in state and local taxes. He brings over … Read More

Gemma Navarro Nibungco

Senior Tax Manager

Gemma graduated Magna Cum Laude with a BS in Business (Accounting) from Concordia University. After leaving Moss Adams she was recruited to RSM where she stayed for five years before … Read More

Eyad Alnaslah, CPA

Audit Manager

Eyad has over eight years of public accounting experience in audit. He began his career with Rothstein Kass and later with KPMG in Los Angeles. Eyad has extensive big-four experience … Read More

Nicholas Chronis CPA Tax Manager

Nicholas Chronis

Tax Manager

Nick is experienced with preparing S Corp, corporate and partnership tax returns including tax projections and tax planning. He is also skilled with preparing financial statements and posting and adjusting … Read More

Juan Jaime, CPA

Audit Manager

Juan Jaime is an Audit Manager and services clients in the following industries: cannabis, crypto-currency, real estate, construction, hospitality, retail, and professional services. His responsibilities range from planning and supervising … Read More

Mai Nguyen, CPA

Tax Manager

Mai has over fifteen years of experience in the public accounting sector.  She began her career in 2004 as an auditor with a local CPA firm, and after several years … Read More

Debra Rainey, CPA

Tax Manager

Debra has over twenty years of experience involved in tax planning and compliance services with an emphasis with closely held middle market enterprises (private company practice) and high net worth … Read More

Edward Tan, CPA, MBT

Tax Manager

Edward has over twenty years of public accounting experience. He is experienced in managing all aspects of servicing our clients’ financial needs from financial Statements through tax return preparation for … Read More

Maritza Banda

Executive Assistant to the Managing Director

As Assistant to the Managing Director, Maritza brings 11 years of experience to the Hall & Company team. She is responsible for overseeing all information that goes in and out … Read More

Our Associates

Adrian Supit - Audit Senior

Alison Su- Tax Senior

Audwin Lin - Staff Accountant

Beth Zhang - Tax Senior

Clair Zheng - Tax Associate

Claire Beuchat - Administrative Supervisor

Constance Woo - Tax Senior

David Sura - Tax Senior/ IT Manager

Di Yang - Audit Associate

Ekta Shah - Tax Supervisor

Heidi Rabenston - Executive Assistant- Audit

Kang Xu - Audit Senior

Kathy Sun -Tax Associate

Kiana Daraee - Experienced Tax Associate

Kunal Sharma - Tax Senior

Lauren Sargant - Front Desk Administration

Liang Li - Audit Senior

Lisa Rimke - Experienced Tax Associate

Lynn La - Accounting Consultant

Mark DeStefano - Accounting Consultant

Peter Stephan - Pensions

Queenie Qin - Tax Associate

Robert Sidebotham - Tax Supervisor

Sacha Wright - Accountant

Sandy Childs - Accountant

Shanshan Xia - Audit Senior

Susan Le - Tax Senior

Vladimir Avanesov – Billing/Collection Administrator

Xi Wen - Audit Associate

Yang Xu – Tax Senior

Yi Han - Audit Associate

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