Insero & Co. CPAs has announced that Douglas D. Stark has been admitted as a partner in the firm’s Tax Department based in Rochester. He joins Insero with over 35 years of diversified tax and accounting experience serving privately-held businesses, family offices and high net worth individuals.

His areas of specialization include tax and estate planning, business acquisitions and divestitures, family office services, succession planning and wealth transfer strategies. Stark began his career at Deloitte & Touche, where he eventually became partner before making the move to private industry. He has a broad base of diversified business experience working with startups through late stage multi-generational businesses and their owners.

Douglas Stark, Tax Partner at Insero & Co. CPAs

“Doug has a wealth of knowledge to share and our clients will see a great benefit from his return to public accounting,” said Nancy Catarisano, Managing Partner of Insero & Co. CPAs. “With our firm’s growth and the increasing complexities associated with changes in tax law, we are glad to have Doug on our team.”

Stark is a graduate of Houghton College, where he earned a Bachelor of Science in Business Administration and the Rochester Institute of Technology where he received a Master of Science in Accounting.

Rochester-based Insero & Co. CPAs is an accounting and business advisory practice with five locations serving New York state. A full-service public accounting firm, Insero provides attest, tax and consulting services to government agencies, colleges and universities, non-profit organizations and businesses ranging from privately held family businesses to multi-national corporations. These clients represent many industries, including service, manufacturing, distribution, high-tech, telecommunications, education, social services and real estate. For more information, visit