Jarrett has over two decades of experience financing and running high-growth organizations. Prior to starting NeoCarta in 1999, he created and led TTC Ventures, the venture capital subsidiary of The Thomson Corporation (now Thomson Reuters). His investing career began with Copley Venture Partners in 1989, then detoured to one of Copley's investments, Mulberry Child Care Centers, where he was named CEO. Jarrett led a successful turnaround at Mulberry, which was later sold to the industry's leading public company, KinderCare.

Since then, Jarrett has backed two dozen private companies, over half of which have gone public or been acquired by public companies. He is currently on the board of Everyday Health, a leading provider of online consumer health solutions. His previous investments include Audible (IPO, acquired by Amazon), CareerBuilder (IPO), Financial Engines (IPO), Healtheon (IPO, merged with WebMD), Imaging Automation (now part of L-1), NetGravity (IPO, now part of Google), Qpass (acquired by Amdocs), and UpShot (bought by Siebel/Oracle).

In addition to graduating from Tufts University with a bachelor's degree in engineering, Jarrett earned an MBA from the University of Southern California and was selected as his graduating class's Outstanding Student by the Beta Gamma Sigma honor society. Jarrett's nonprofit interests include the Tenacre Country Day School, where he currently serves as Chairman of the Board of Trustees; he is also a Mentor with TechStars.