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The bench

Principals who built the largest
tax-credit practices in the country.

The partner you meet is the partner who reviews your study. No junior-led engagements, no rotating account managers.

Douglas Kim

CPA, MBT
Principal

Twenty years with Arthur Andersen and Deloitte & Touche serving Fortune 500 tax practices. Specializes in federal and state tax credits, audit defense and complex compliance.

David Ahn

CPA, MBT
Principal

More than twenty years in accounting and financial audit — including eleven years between Ernst & Young and Deloitte & Touche. Oversees Apex's R&D tax-credit practice end-to-end.

Annika Vanghagen

JD, LL.M
Director of Tax Controversy

Former in-house tax counsel for Qwest Communications. Ten-plus years on R&D expenditure analysis, IRS examinations and appeals — Apex's audit-defense lead.

John Kim

JD, CPA
Senior Tax Manager

Decade-plus as financial auditor and tax attorney with prior service in the IRS Examination Division and Office of Chief Counsel. Brings the regulator's view to every engagement.

Jessica Creevy

JD, LL.M
Senior Project Manager

Manages engineering-heavy R&D engagements across aerospace, advanced manufacturing and AEC clients. Tax-attorney background; deep expertise in qualifying-activity scoping.

David Porada

JD
Director, Client Development

Pairs a tax-law background with lean six-sigma operating experience. Bridges accounting, legal and engineering conversations from manufacturing to high-tech.

Specialization

Six specialized practice teams —
drawn into engagements as they fit.

Engineering Team
Manufacturing Specialization Team
Project Accounting Data (PAD) Team
AEC Specialization Team
Tax Controversy Team
Software Specialization Team