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Press Release

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RitzHolman CPAs welcomes Diana Luttmann, CPA as Partner

Milwaukee, Wisconsin (January 31, 2018). RitzHolman CPAs welcomes Diana Luttmann, CPA as partner effective January 1, 2018. Diana focuses her work on nonprofit audit, tax and financial management services. She works with nonprofits such as human service, arts, economic development and job training organizations, as well as associations, charter, choice and partnership schools. She regularly works with nonprofits that are subject to the federal Uniform Guidance and state auditing standards.

“In my new partnership role, I am excited to continue and expand our exceptional nonprofit services. I believe nonprofits are vital in providing our community members growth opportunities and essential life care. I am passionate about helping nonprofits be financially successful so they can carry out their missions.”

As auditor and adviser, Diana builds partnerships with nonprofits to help them succeed in areas such as understanding non-profit accounting complexities, operating efficiently and effectively, learning and implementing internal control best practices, and meeting regulatory needs to comply with funding requirements.

Diana joined RitzHolman CPAs in 2000 after receiving her bachelor’s degree in accounting from the University of Wisconsin – La Crosse in 1999. She is a member of the American and Wisconsin Institutes of Certified Public Accountants.

“It is with great excitement that we welcome Diana to our partner group. Since joining the firm in 2000 she has been an invaluable addition to our firm. We look forward to her continued success in the firm and are thrilled to have her as a leader.” Katy Sommer, CPA, RitzHolman Partner.

Founded in 1957, RitzHolman CPAs is a full-service accounting and consulting firm. As one of southeast Wisconsin’s top 25 accounting firms, RitzHolman CPAs advises businesses, nonprofits, individuals and trusts on tax, accounting and financial management strategies. For more information, please visit our web site at

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