Piper Jaffray added Victoria M. Holt to its board of directors.

Holt has served as president and chief executive officer of Protolabs, a custom prototype and low-volume production manufacturing company, since February 2014. Prior to joining Protolabs, Holt worked at Spartech, a leading producer of plastic sheet compounds and packaging products, where she was president and chief executive officer from 2010 through its sale to PolyOne in 2013.

From 2005 to 2010, Holt was senior vice president of PPG Industries’ glass and fiberglass division. Holt currently serves as on the board of directors of Protolabs and Waste Management.

“We are excited to have Vicki join us. Her experience as a CEO of a growth-oriented, public company in the industrials sector – one of our focus sectors – will bring a valuable perspective to the board of directors. She also has meaningful public company experience to complement her extensive management experience,” said Piper Jaffray Companies Chairman and CEO, Chad Abraham.