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Meet The Team

Doug Radtke, CPA

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California CPA with over 12+ years of experience with Big 4 (KPMG, PwC, EY), national/regional firms, F500 companies and start-ups. Doug's primarily specialization has been working with non-profit organizations and technology companies.

He is currently serving on the Board of Director for the CalCPA Peninsula/Silicon Valley chapter and assist with the chapter's Non-Profit committee meetings.

He is currently a member of CalCPA, AICPA, CSMFO, GFOA and AGA. Doug is a volunteer CAFR reviewer for governmental entities.

Adam Brown, CPA

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California CPA with over 13+ years of experience. Adam started his career with San Jose PwC with an emphasis on the technology and software sector. He has experience with multiple F500 organizations.

Adam Brown is currently on an extended assignment with a financial services organization in Sydney, Australia performing external financial reporting consultancy.

Hiromi Usui, CPA

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Georgia, Illinois, and New York CPA with 11+ years of experience. Hiromi has extensive audit, tax, and consulting experience with multiple clients in the F500 and has Big 4 experience with PwC in both Chicago and Atlanta.

Hiromi is a valued member of the team who provides tax consulting, adivsory, and preparation support for the firm while maintaining her own practice Hiromi's CPAs.

Chompoo Jantawan

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Chompoo brings 7+ years of office manager and various administrative functions experience. Chompoo brings to our firm experience with bookkeeping, payroll, and other executive administration functions.


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  • Technology / Software / SaaS

  • Cryptocurrency / Digital Assets / Blockchain

  • Non-Profit Organizations

  • Private Foundations

  • Education (Private Schools, Charter Schools)

  • Real Estate

  • Construction & Contracting

  • Venture Capital / Private Equity

  • Governmental (Cities, Special Districts, Schoos)

  • Consumer Products / Retail

  • Cannabis

  • Small Business

  • Homeowner's Associations


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  • Assurance / Attest:

    • Audit

    • Review

    • Compilations

    • Financial Statement Preparation

  • Tax

    • Individual

    • Business

    • High Net Worth

  • Accounting

    • Bookeeping / Outsourced Accounting

    • Technical Accounting (ASC 606, ASC 842, GASB)

    • Controllership Services

    • Payroll / Benefit Administration

    • Stock Administration, Stock-Based Compensation & Equity Accounting Services

    • SEC Reporting Consultancy

  • Consulting

    • Pre-IPO Readiness

    • Internal Audit, COSO, SOX 404, Risk Advisory Consulting

    • Finance Transformation

    • Start-Up Support Services

    • M&A Services - Due Dilligence for Acquisitions, Combinations & Diversitures


Tel. 408-868-8541

Fax. 650-666-2252

Mountain View, CA


Monday - Friday 10:00am - 5:30pm

Pacific Standard Time (PST)

Please make a booking or call and leave a detailed voicemail




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© 2019 by Radtke & Company, CPA