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John Hanselman is a Principal and founder of Brightfields and Renova. He has thirty years of experience in environmental, real estate and entrepreneurial companies.

7933739088 53d31f8162 cMr. Hanselman, who joined Renova in 2003, has directed several of the nation's largest private acquisitions of contaminated properties from Fortune 500 companies. He was responsible for creating Renova's $300 million joint venture that lead to the cleanup of over 3 million square feet of contaminated buildings and land. Brightfields was founded to extend the experience of the Renova team to bring renewable power to contaminated properties.

Mr. Hanselman began his career in real estate development, working for two prominent developers, Carpenter & Company and New England Development, where he served as Director of Finance and Acquisitions. During his tenure at the two firms, Mr. Hanselman completed over $2 billion worth of transactions in the mixed-use, hotel and retail sectors. Prior to joining Renova, Mr. Hanselman founded Active Impulse Systems, Inc., a semiconductor metrology company, and served as President and CEO until the company was acquired by Philips Electronics. After the acquisition Mr. Hanselman was asked to stay on as Director Semiconductor – USA and General Manager of the newly formed Philips Analytical. Mr. Hanselman then founded and served as President and CEO of LingoMotors, Inc. a natural language software company.

Mr. Hanselman has been an invited speaker at Harvard Business School and both MIT's Sloan Business School and Center for Real Estate Development and currently serves on the Board of Directors for Atlantic Virtual Incubation Company, an early stage venture fund. He has published scientific papers and holds patents in the semiconductor manufacturing and metrology space. Mr. Hanselman has a B.A. from Hamilton College.

John on Solar Brownfield Solutions

John on Repurposing Contaminated Land


brightfieldsllc The #solar canopies at the #LexingtonMA compost facility are nearing completion! pic.twitter.com/Z...
05:31PM Apr 24
brightfieldsllc Happy to see brownfield redevelopment on old mine sites in #Kentucky via @engadget engt.co/2pSPJqV
07:36PM Apr 21


Brightfields is a limited liability company with headquarters at 40 Walnut Street (Suite 301) in Wellesley, MA, 02481.

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IMAGE Brightfields Attends 2017 Scituate...
Saturday, 08 April 2017
On April 6th 2017, the Brightfields team presented at the Scituate Science Spectacular, an annual district-wide science fair that... Read More...