John Hatsopoulos

John Hatsopoulos

Founder at TECOGEN INC.

Net worth: 4 M $ as of 2024-03-30

90 year
Electronic Technology
Producer Manufacturing
Consumer Services

Profile

John N.
Hatsopoulos
is the founder of GlenRose Instruments, Inc. (founded in 1999) where he is currently the Chairman.
He was also the founder of American DG Energy, Inc. (founded in 2001) where he served as a Director from 2017 to 2018.
Additionally, he is the founder of Tecogen, Inc. (founded in 1987) where he currently holds the position of Lead Director.
Dr. Hatsopoulos is also the founder of Thermo Electron Corp...Dr. Hatsopoulos's current job(s) include being a Director at Lehman Brothers Funds, Inc. since 1999, a Director at Ilios, Inc., and an Executive Member at J&P Enterprises LLC.
His former job(s) include being the Chairman of EuroSite Power, Inc. from 2009 to 2016, a Director at Lois, a Director at Intelli-Check, Inc., an Independent Director at Agenus, Inc. in 2011, a Director at Premier Healthcare Solutions, Inc., an Independent Director at American CareSource Holdings, Inc. from 2006 to 2013, a Director at American Stock Exchange LLC from 1994 to 2000, a Director at VIASPACE, Inc. in 2006, a Director at TEI Biosciences, Inc., a Managing Director & Partner at Alexandros Partners LLC in 2009, a Director at Ilios, Inc. (Massachusetts), and the Chief Financial Officer at Thermo Instrument Systems, Inc., Thermo Process Systems, Inc., and Thermo Remediation, Inc. He was also a Member at Northeastern University.
Dr. Hatsopoulos's education history includes a doctorate degree from Boston College, an undergraduate degree from Northeastern University, and an undergraduate degree from Athens College.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
2024-04-23 6,213,177 ( 25.00% ) 4 M $ 2024-03-30

John Hatsopoulos active positions

CompaniesPositionStart
TECOGEN INC. Founder 1986-12-31
J&P Enterprises LLC Corporate Officer/Principal -
Director/Board Member 2010-05-04
Lehman Brothers Funds, Inc. Director/Board Member 2010-03-07
Founder 2004-12-31
All active positions of John Hatsopoulos

Former positions of John Hatsopoulos

CompaniesPositionEnd
AMERICAN DG ENERGY INC Founder 2018-03-28
EUROSITE POWER INC. Chairman 2016-05-15
AMERICAN CARESOURCE HOLDINGS, INC. Director/Board Member 2013-05-29
AGENUS INC. Director/Board Member 2011-12-07
░░░░░░ ░░░░░░░░░░ ░░░░░░░░ ░░░░ ░░░░░░░░ ░░ ░░░░░░░░░░░ ░░░░░░░░░░
See the detail of John Hatsopoulos's experience

Training of John Hatsopoulos

Boston College Doctorate Degree
Northeastern University Undergraduate Degree
Athens College Undergraduate Degree

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of John Hatsopoulos's experience

Connections

96

1st degree connections

24

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Listed companies5
AGENUS INC.

Health Technology

EUROSITE POWER INC.

Producer Manufacturing

TECOGEN INC.

Producer Manufacturing

AMERICAN CARESOURCE HOLDINGS, INC.

Health Services

VIASPACE INC.

Producer Manufacturing

Private companies16
Lehman Brothers Funds, Inc.

Miscellaneous

Electronic Technology

Thermo Instrument Systems, Inc.

Electronic Technology

Commercial Services

Intelli-Check, Inc.

Technology Services

Miscellaneous

Producer Manufacturing

J&P Enterprises LLC

Commercial Services

Electronic Technology

Electronic Technology

Finance

Health Technology

Finance

Technology Services

Distribution Services

See company connections
  1. Stock Market
  2. Insiders
  3. John Hatsopoulos