Carl Stjernfeldt

Carl Stjernfeldt is a Lecturer of Finance at the MIT Sloan School of Management.

Stjernfeldt is a general partner at Castile Ventures with an investment focus is on wired and wireless communications technologies and services, on advanced mobility solutions that provide secure high quality access to content and applications, and on next generation video delivery capabilities.

Prior to joining Castile, Stjernfeldt was a partner at Battery Ventures where he spent seven years investing in leading IT companies. He currently serves or participates on the boards of BNI Video and Funambol. He has served on the boards of Agito Networks (acquired by ShoreTel), Arbor Networks (acquired by Tektronix), Broadbus Technologies (acquired by Motorola), Cedar Point Communications (acquired by Genband) and Tejas Networks, and was a board observer of Optium (NASDAQ: OPTM, acquired by Finisar).

Prior to Battery Ventures, Stjernfeldt was a client partner and project manager for Cambridge Technology Partners, delivering large mission-critical system implementations for Fortune 100 clients. He started his career as an engineer at Summa Four, developing telecommunications solutions for domestic and international service providers, later promoted to engineering management before starting an application development department.

Stjernfeldt is active at MIT serving as a catalyst for the Deshpande Center, and a judge in MIT's 100K competition. He is also a charter member with TiE and serves on the University of Michigan's Technology Transfer National Advisory Board. Stjernfeldt is the treasurer of the New England Venture Capital Association and is a board member of the Massachusetts Technology Leadership Council, where he also serves as co-chair of the Mobile Cluster.

He holds a dual MS in electrical engineering from the Royal Institute of Technology (KTH) in Stockholm and Northeastern University in Boston, and an MBA from the MIT Sloan School of Management.