Primary Role
CEO at The Carbon Neutral Company
1 Investment in 1 Company

Person Details


Stephen Killeen is the CEO of The CarbonNeutral Company, the world’s leading carbon offset and climate consulting business. Mr. Killeen brings more than 25 years of experience in multiple high-profile positions for consumer, financial and technology companies. His leadership background encompasses interactive media, consumer marketing and financial services.

Mr. Killeen also served as president and chief executive officer of WorldWinner, a casual gaming company that he successfully sold to London-based Fun Technologies. Prior to WorldWinner, Mr. Killeen served as president of TerraLycos, the world’s fourth-largest media property. Mr. Killeen was previously president and director of Marketing Services Group. Before joining Marketing Services Group, Mr. Killeen was president and chief executive officer of Raging Bull, where he grew the Company’s market capitalization from $2 million to an eventual sale to AltaVista for more than $250 million.

Mr. Killeen has extensive experience in the financial services sector, where he held several executive management positions and was a pioneer in the online brokerage industry first with PCFN (which eventually became DLJdirect) and Fidelity.

He has served on multiple private and public company boards including Switchboard, Lycos Europe, Molecular and Marketing Services Group, Junior Achievement of New England, and was a member of The Secretary of Commerce’s Task Force on Privacy.

A finalist for Ernst & Young’s Entrepreneur Of The Year® Awards for New England, Mr. Killeen led two companies that received Deloitte & Touche’s Fast 50 Award and was named a “Leader of the Internet Economy” by the Industry Standard.

Mr. Killeen earned his BA at Union College.

Experience (2)


Advisory Roles (1)


Education (1)


Investments (1)