Vance Street Capital, a Los Angeles-based private equity firm, announced that John LeRosen has joined the firm as vice president. LeRosen will be primarily responsible for sourcing and executing transactions as well as working with portfolio company management teams.

Prior to joining Vance Street Capital, LeRosen served as chief financial officer of Avalon Laboratories, a medical device manufacturer of specialty medical tubing that was sold to Nordson in 2014. Before that, LeRosen was on the American Capital team that led the investment in Avalon Laboratories.

During his eight years at American Capital he focused on investing and providing financial due diligence support across dozens of companies in medical components and devices, specialty manufacturing, life sciences and industrial technology sectors. He began his career at KPMG performing financial audits as a certified public accountant.

“We’ve known John for many years and are very pleased that he is joining Vance Street,” said Richard Crowell, managing partner. “John brings a wealth of operational knowledge and deal experience that will prove invaluable as Vance Street continues to grow its portfolio. In particular, John’s insights on the precision medical component industry, both as a former CFO and an investor in precision medical components companies, will greatly benefit our existing and future portfolio companies.”