OSI Owners

Dennis Najjar
Dennis.Najjar@OSIBusinessServices.com
Dennis Najjar, Managing Member of OSI Business Services, LLC has worked in public accounting since 1982. After graduating from Rutgers University in 1982, Dennis joined Coopers & Lybrand. In 1986, Dennis started the public accounting firm Dennis M. Najjar, CPA. Dennis has worked exclusively with small, medium, and start-up businesses. His practice has an emphasis on tax planning and preparation for corporations, partnerships and individuals.

Bill Gerber
Bill.Gerber@OSIBusinessServices.com
Bill Gerber, Managing Member of OSI Business Services, LLC has worked in the Financial Field for more than 16 years, bringing a wide range of expertise in technology, business consulting, bookkeeping and corporate tax. Mr. Gerber is responsible for setting the innovative company-wide strategies and building its overall business using state-of-the-art technology for the accounting industry. He oversees the sales, marketing, quality assurance and successful delivery of Business Process Outsourcing (BPO) accounting & bookkeeping services to clients. With his assistance, OSI has become the nation’s leader in Virtual Accounting Services, winning the CPA Technology Advisor Award and the Forbes Award. Mr. Gerber and his team design cutting edge procedures to streamline accounting departments, providing the blueprint for industry business practices.