Michael Balkin is a portfolio manager on William Blair’s Small Cap Growth team. He rejoined William Blair in 2008 after three years as a portfolio manager and chief investment officer of Magnetar Investment Management. He originally joined the William Blair Small Cap Growth team as a portfolio manager in late 1999. Before that, he worked in William Blair’s sell-side institutional research sales group, specializing in small-cap growth companies. Balkin originally joined the firm in 1990. He received a bachelor’s degree from Northwestern University.