Professional Staff

Mark Chiuminatto – Mark is a Finance and Operations Executive, strong in technology, with extensive hands-on experience as a CPA in public accounting, not-for-profit, and other service environments. He has held positions with global companies and small, entrepreneurial businesses and social entrepreneurs. He is a strong believer in continuous quality improvement and has the ability to identify areas of need and implement solutions. Mark will lead your Team as an adviser to internal controls, strategic planning, budgeting, and general business management to help ensure long-term financial stability.

Mark can be reached at

Chuck Zellermayer – Chuck is an accounting professional with extensive experience in accounting and management serving clients in both the not-for-profit and for-profit worlds. Chuck’s background in organizational management and accounting for mid-size nonprofits combined with his interest in under-served communities positions him as a trusted advisor. Chuck has worked with faith communities to answer the needs of at-risk populations throughout Wisconsin.

Chuck can be reached at

Carol Timm – Carol is an accounting / financial assistant with 30 years of assisting CFO’s. Carol has also spent a number of years as an Accounting Manager reporting directly to the CFO. She has experience working in the manufacturing, service and non-profit industries. Carol works with Mark and Chuck assisting in all aspects of accounting / financial needs of your organization.

Gina Chiuminatto – Gina has five years of experience as an accounting assistant, specializing in cloud computing and data management. Gina works with Mark and Chuck on organizational aspects of data management and keeping Chiuminatto Consulting’s data systems on the cutting edge.

In addition to the staff above, Chiuminatto Consulting enjoys strategic relationships with other professional services organizations to help round out product offerings which we do not directly provide ourselves, such as Audits, Tax Returns, Grant writing, and Human Resources.