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Photo of John Hatsopoulos
Individual Investor

John Hatsopoulos

Overview

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Number of Portfolio Companies 1
Number of Exits 
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  • Investor Type 
    obfuscation
  • Number of Exits 
    obfuscation
John Hatsopoulos is the CEO of American DG Energy. John Hatsopoulos attended Athens College.

Personal Investments

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Number of Investments 1
John Hatsopoulos invested in Tecogen on
obfuscation
. This investment - Post-IPO Debt - Tecogen - was valued at
obfuscation
.
Announced Date  
Organization Name  
Lead Investor  
Funding Round  
Money Raised  
obfuscation
Tecogen Logo
Tecogen
Yes
Post-IPO Debt - Tecogen Logo
Post-IPO Debt - Tecogen
obfuscation

Exits

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Number of Exits 
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John Hatsopoulos has
obfuscation
exit - Tecogen. John Hatsopoulos has
obfuscation
exits. Their most notable exits are Tecogen.
  • Tecogen Logo
    Tecogen Tecogen is a manufacturer of natural-gas-fueled, engine-driven, combined heat and power products.

Jobs

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Number of Current Jobs 2
Number of Past Jobs 2
John Hatsopoulos has 2 current jobs as Co-Founder & CEO at American DG Energy and CFO at Thermo Fisher Scientific. Additionally, John Hatsopoulos has had 2 past jobs including Co-Chief Executive Officer at Tecogen.
Organization Name  
Title At Company  
Start Date  
End Date  
Tecogen Logo
Tecogen
Co-Chief Executive Officer20002018
American DG Energy Logo
American DG Energy
CEO2000—

Board and Advisor Roles

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Number of Current Board & Advisor Roles 5
Number of Past Board & Advisor Roles 2
John Hatsopoulos holds 5 board and advisor roles including Chairman of the Board of Directors at EuroSite Power Inc., Member of the Board of Directors at Ilios Dynamics, and Member of the Board of Directors at Tecogen.
Organization Name  
Title At Company  
Start Date  
End Date  
Thermo Fisher Scientific Logo
Thermo Fisher Scientific
Vice Chairman of the Board of Directors——
Northeastern University Logo
Northeastern University
Member of the Corporation——

Related Hubs

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Hub Name  
CB Rank (Hub)  
Companies That Exited in 2007 Logo
Companies That Exited in 2007
6,997
Closed New England Companies Logo
Closed New England Companies
4,987
Acquired Mining Companies Logo
Acquired Mining Companies
33,320
Closed Greater Boston Area Companies Logo
Closed Greater Boston Area Companies
7,623
Closed Northeastern US Manufacturing Companies Logo
Closed Northeastern US Manufacturing Companies
10,677
Closed Energy Efficiency Companies Logo
Closed Energy Efficiency Companies
65,045
Energy Companies that Exited Logo
Energy Companies that Exited
2,603
New England Companies that Exited Logo
New England Companies that Exited
1,160
Acquired New England Companies Logo
Acquired New England Companies
1,136
Closed New England Manufacturing Companies Logo
Closed New England Manufacturing Companies
22,011

Education

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John Hatsopoulos studied at Northeastern University and  Athens College.

Recent News and Activity

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Number of News Articles 2
Funding Round•Oct 9, 2023
Tecogen raised
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from Earl R. Lewis and John Hatsopoulos
Discover more funding rounds
News•Dec 29, 2017
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News•Nov 23, 2016
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