Corporate Board Profile
Tech Score: 75/100
6 mention(s) identify JOHN T. PRESTON as having software/technology expertise.
| Company | Filing Date | Evidence | Reason |
|---|---|---|---|
| CLEAN HARBORS INC | 2018-04-25 | John T. Preston, age 68, is the Managing Partner of TEM Capital, a privately-held equity investment company, and President and Chief Executive Officer of Continuum Energy Technologies LLC, a private company. From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”). Prior to that he was Director of the MIT Technology Licensing Office where he was responsible for the commercialization of intellectual property developed at MIT. He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. | Has a BS in Physics and was Director of Technology Development and Director of the MIT Technology Licensing Office, indicating technical and technology development experience. |
| CLEAN HARBORS INC | 2019-04-24 | Mr. Preston is the Managing Partner of TEM Capital, a privately-held equity investment company, and President and Chief Executive Officer of Continuum Energy Technologies LLC, a private company. From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”). Prior to that he was the Director of the MIT Technology Licensing Office where he was responsible for the commercialization of intellectual property developed at MIT. He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. | Mr. Preston has a BS in Physics and experience as Director of Technology Development and Director of the MIT Technology Licensing Office, indicating a strong technical background related to technology development. |
| CLEAN HARBORS INC | 2020-04-24 | From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”). Prior to that he was the Director of the MIT Technology Licensing Office... He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. | Mr. Preston was Director of Technology Development at MIT and Director of the MIT Technology Licensing Office, with a BS in Physics and an MBA, indicating technical and technology development experience. |
| CLEAN HARBORS INC | 2021-04-23 | From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”). Prior to that he was the Director of the MIT Technology Licensing Office where he was responsible for the commercialization of intellectual property developed at MIT. ... Mr. Preston has a Certificate in Cybersecurity Oversight issued by the National Association of Corporate Directors and Carnegie Mellon University. | Mr. Preston was Director of Technology Development at MIT and Director of the MIT Technology Licensing Office, with experience in technology development and a Certificate in Cybersecurity Oversight. |
| CLEAN HARBORS INC | 2022-04-14 | Mr. Preston is the Managing Partner of TEM Capital. From 1992 through 1995, he served as Director of Technology Development at MIT. Prior to that he was the Director of the MIT Technology Licensing Office where he was responsible for the commercialization of intellectual property developed at MIT. He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. | Mr. Preston has a BS in Physics and experience as Director of Technology Development at MIT, including managing technology licensing, indicating technical expertise relevant to software and technology. |
| CLEAN HARBORS INC | 2023-04-13 | From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”)... He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. Mr. Preston also has a Certificate in Cybersecurity Oversight. | Mr. Preston was Director of Technology Development at MIT and Director of the MIT Technology Licensing Office, with a BS in Physics and an MBA, and holds a Certificate in Cybersecurity Oversight, indicating technical and software-related expertise. |
| Filing Date | Source Excerpt |
|---|---|
| 2017-04-26 | From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (MIT). He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. |
| 2018-04-25 | John T. Preston, age 68, is the Managing Partner of TEM Capital, a privately-held equity investment company, and President and Chief Executive Officer of Continuum Energy Technologies LLC, a private company. From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”). Prior to that he was Director of the MIT Technology Licensing Office where he was responsible for the commercialization of intellectual property developed at MIT. He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. |
| 2019-04-24 | Mr. Preston is the Managing Partner of TEM Capital, a privately-held equity investment company, and President and Chief Executive Officer of Continuum Energy Technologies LLC, a private company. From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”). Prior to that he was the Director of the MIT Technology Licensing Office where he was responsible for the commercialization of intellectual property developed at MIT. He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. |
| 2020-04-24 | From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”). Prior to that he was the Director of the MIT Technology Licensing Office... He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. |
| 2021-04-23 | From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”). Prior to that he was the Director of the MIT Technology Licensing Office where he was responsible for the commercialization of intellectual property developed at MIT. ... Mr. Preston has a Certificate in Cybersecurity Oversight issued by the National Association of Corporate Directors and Carnegie Mellon University. |
| 2022-04-14 | Mr. Preston is the Managing Partner of TEM Capital. From 1992 through 1995, he served as Director of Technology Development at MIT. Prior to that he was the Director of the MIT Technology Licensing Office where he was responsible for the commercialization of intellectual property developed at MIT. He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. |
| 2023-04-13 | From 1992 through 1995, he served as Director of Technology Development at the Massachusetts Institute of Technology (“MIT”)... He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. Mr. Preston also has a Certificate in Cybersecurity Oversight. |
| 2024-04-10 | He holds a BS in Physics from the University of Wisconsin and an MBA from Northwestern University. Mr. Preston also has a Certificate in Cybersecurity Oversight issued by the National Association of Corporate Directors and Carnegie Mellon University. |
Data sourced from SEC filings. Last updated: 2025-07-16