From ArborWiki

Ann Arbor pharmaceutical research firm led by Roger Newton and David Scheer, purchased by Pfizer in 2003 for $1.3 billion.

Newton purchased back Esperion in May 2008 with funding from Aisling Capital, Alta Partners, Domain Associates and Ann Arbor-based Arboretum Ventures.

[edit] In the news

• Idea to buy back Esperion pre-dated Pfizer announcement, Ann Arbor Business Review, May 2008.