Aeropostale, a New York City-based clothing retailer with $2.2 billion in 2009 revenue, named Marc Miller CFO. He succeeds Michael Cunningham, also the company's president, who is taking on new responsibilities for planning, logistics and real estate. Miller most recently served as Aeropostale's senior vice president of strategic planning and new business development. Before joining the company in 2005, he worked at Footstar, where his final position was vice president of strategic planning and corporate development, and served as president of apparel and consumer products at Tradeout.

INX, a Houston-based telecommunications infrastructure company with $259 million in revenue, named Philip Rydzewski CFO and senior vice president. He replaces Brian Fontana, who resigned in August. Rydzewski, 47, most recently was a consultant providing CFO services to companies. From 2007 to 2008, he was chief accounting officer at HealthMarkets, an insurance company. Earlier, Rydzewski served as vice president of finance for Catalyst Health Solutions and CFO of HMS Holdings, and worked at KPMG.

Celera, an Alameda, Calif. genetic testing company, named Alfred Merriweather CFO and senior vice president. He succeeds Ugo DeBlasi, who resigned in November in order to be closer to his family in Connecticut. Merriweather, 56, is joining Celera from Calypso Medical Technologies, where he was CFO. From 2001 to 2009, he was CFO of Monogram Biosciences. Merriweather has also served as CFO for Symphonix Devices, Lipomatrix and Laserscope. He began his career with Price Waterhouse. Celera had revenue of $167 million last year.