Teri Berkoski Teri, a former client, joined G&Y after a successful career in the private sector. Teri was previously employed as a tax examiner by IRS and CFO for several Long Island firms. Her depth of experience in a broad range of industries, including manufacturing, distribution and construction, serves our clients well. Teri specializes in business automation, training client staff to streamline their accounting systems and interface with governmental agencies. giffuniandyoung