American International Group hired Jeffrey Farber as deputy CFO, which is a new position for the $77 billion insurer, and senior vice president. He reports to CFO David Herzog. Farber, 46, is joining AIG from Gamco Investors, where he served as CFO. Earlier, he was controller and senior vice president of finance at Bear Stearns and an audit partner at Deloitte & Touche. AIG also named Elizabeth Werner head of investor relations. She was formerly an analyst focused on insurance stocks, most recently at Bank of America Merrill Lynch.

Cincinnati Bell, the $1.4 billion regional telecommunications company, named Susan Kinsey controller and vice president. She replaces Kurt Freyberger, who is now CFO of the company’s communications division. Kinsey, 46, had been associate vice president of accounting services for Luxottica Retail North America since 2009. Earlier, she served as director of financial reporting at PNC Financial Services Group, assistant treasurer at National City Corp., and a principal at accounting firm Andersen.

Hovnanian Enterprises, a $1.4 billion homebuilder in Red Bank, N.J., named Brad O’Connor chief accounting officer. He succeeds Paul Buchanan, who is retiring. O’Connor, 40, will also maintain his current role of controller, a job he has performed since 2007. O’Connor first joined Hovnanian in 2004 as associate corporate controller. Earlier, he was controller at Amersham Biosciences, a global biotech company, and senior manager in the audit practice at PricewaterhouseCoopers.

Dorman Products, a manufacturer of auto replacement parts in Colmar, Pa., promoted Matthew Kohnke to CFO. He replaces Mathias Barton, who was named co-president. Kohnke, 39, was previously controller, a position he had held since 2002. Before joining Dorman, Kohnke worked at Arthur Andersen, beginning as an intern in January 1992 and becoming an audit and business advisory manager. Dorman reported sales of $456 million in 2010.

Oil-Dri Corp. of America, a $219 million manufacturer of cat litter, named Jeffrey Libert CFO. He succeeds Andrew Peterson, who left the Chicago-based company in February. Libert, 44, was previously the company’s treasurer. Oil-Dri also named Daniel Smith, 51, formerly controller, chief accounting officer.

Nanometrics, a metrology systems company in Milpitas, Calif., named Ronald Kisling CFO. He replaces James Moniz, who is retiring. Before joining Nanometrics, Kisling, 50, spent four years at PGP Corp., a company acquired last year by Symantec, where his final position was CFO. Earlier, he worked in finance at software companies including Portal Software and SPL WorldGroup, both of which were acquired. Nanometrics reported sales of $77 million in 2009.