• BDO Institute for Nonprofit ExcellenceSM

    Resources designed for nonprofit professionals.

Everything you need, all in one place. 

The BDO Institute for Nonprofit ExcellenceSM provides our professionals, clients, and the nonprofit industry at-large with practical, transformative thought leadership and educational resources that can help organizations navigate this dynamic and challenging industry. Our resource center is a collection of insights, information, and tools the Institute offers, including weekly posts from thought leaders, nonprofit and education guides, webinars, and newsletters.
About The BDO Institute for Nonprofit ExcellenceSM – Our Continued Commitment to the Nonprofit Industry
Developed in 2001, the BDO Institute for Nonprofit ExcellenceSM is one of several ways BDO remains committed to the nonprofit industry. Based in our Greater Washington, D.C. Metro Office, the Institute includes assurance, tax, and consulting professionals who support BDO offices and nonprofit organizations around the country.  

Members of the Institute

William Eisig, CPA
Partner, National Director, Institute for Nonprofit ExcellenceSM
  Marc Berger, CPA
Director, National Nonprofit Tax Services

Lee Klumpp, CPA
National Assurance Partner – Nonprofit & Government
  Andrea Wilson
RAS Partner, Government Contracts and Grants Advisory Services

Tammy Ricciardella, CPA
Director, National Nonprofit Assurance

Explore the Nonprofit Standard Blog >>  

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William Eisig
William Eisig Atlantic Managing Partner 703-336-1401
Marc Berger - BDO Greater Washington, D.C.
Marc Berger National Director, Nonprofit Tax Services 703-336-1420
Lee Klumpp
Lee Klumpp National Assurance Partner – Nonprofit & Government 703-336-1497
Tammy Ricciardella
Tammy Ricciardella Technical Director 703-336-1531
Andrea Wilson - BDO McLean
Andrea Wilson Partner; Nonprofit & Education Advisory Services Leader 703-752-2784
Susan Friend
Susan Friend National Assurance Director - Nonprofit & Government 954-626-2964
See all contacts


September 11, 2019
Join us for a candid conversation with an audit committee chair, a senior legal counsel, and the head of BDO's National Assurance practice as they share their experience with managing, advising and responding to emerging risks, illegal acts, and restatements impacting public companies.
September 24, 2019
Information Technology is a rapidly evolving space that organizations can leverage to be a business enabler. However, the evolution of Information Technology has also brought with it increased risks and regulatory requirements.