Cancer Genetics, a Rutherford-based clinical diagnostic center that specializes in difficult-to-diagnose cancers, announced on Monday Edward J. Sitar was appointed chief financial officer, effective April 1.<br /><br />Sitar joins the company after serving as the chief financial officer of Healthagen, a subsidiary of Aetna that provides health and technology services to various payers, employers and consumers. Sitar also worked as the chief financial officer at other health-care companies.<br /><br />"Ed's significant experience and insight across multiple health-care sectors will be great assets to Cancer Genetics,'' said Panna Sharma, president and chief executive officer of Cancer Genetics, said in a news release. "Ed's strong operational experience in systems development, regulatory affairs, acquisitions and joint ventures will be invaluable as we continue to grow Cancer Genetics.''<br /><br />Sitar will assume the role previously held by Elizabeth Adkins Czerepak, who resigned effective March 31, according to the news release.