Jonathan Rosenthal
Chief Executive Officer at Saybrook Advisors LLC
Profile
Jonathan C.
Rosenthal is the founder of OptzzChain, Inc. (founded in 2017) and holds the title of Executive Chairman.
He is also the founder of ESP Technology & Logistics, Inc. Mr. Rosenthal's current jobs include being the Portfolio Manager & Chief Executive Officer at Saybrook Advisors LLC (since 1990), the Portfolio Manager & CEO at Saybrook Capital LLC (since 1990), the Executive Chairman at Accretive Solutions, Inc. (since 2011), the Chairman at Premium Transportation Services, Inc. (since 2013), the Chairman at Taylored Services LLC (since 2018), and a Director at Global Infrastructure Solutions, Inc. Mr. Rosenthal's former job includes being a Director at Accretive Solutions-Detroit, Inc. Mr. Rosenthal's education history includes a graduate degree from Southwestern University, an undergraduate degree from the University of Uppsala (conferred in 1979), an undergraduate degree from California State University-Northridge (conferred in 1977), and a graduate degree from Southwestern Law School (conferred in 1980).
Jonathan Rosenthal active positions
| Companies | Position | Start |
|---|---|---|
Saybrook Advisors LLC
 Saybrook Advisors LLC Investment ManagersFinance Saybrook Advisors LLC is a hedge fund manager headquartered in Los Angeles, California. The firm was founded in 1990 and is a subsidiary of Saybrook Capital LLC. They manage investments for sophisticated pension funds, insurance companies, family offices, and individuals. | Chief Executive Officer | 1989-12-31 |
Accretive Solutions, Inc.
 Accretive Solutions, Inc. Personnel ServicesCommercial Services Accretive Solutions, Inc. provides consulting, staffing and outsourcing solutions. Its solutions include anti-money laundering, carve-outs, collaboration, data analytics and BI, equity compensation, financial close optimization, IPO readiness, revenue ASC 606, mergers and acquisitions. The company was founded in 1999 and is headquartered in Melville, NY. | Chairman | 2010-06-23 |
Saybrook Capital LLC
 Saybrook Capital LLC Investment ManagersFinance Saybrook Capital LLC (Saybrook Capital) is a private equity firm founded in 1990. The firm is headquartered in Los Angeles, California. | Chief Executive Officer | - |
Premium Transportation Services, Inc.
 Premium Transportation Services, Inc. Air Freight/CouriersTransportation Premium Transportation Services, Inc. provides logistics and transportation services. Its offers drayage, transloading warehousing, infrastructure supply chain management, and security and safety services for various cargoes including electronics and apparel. The company was founded by Bill Allen and Victor N. La Rosa in 1986 and is headquartered in Rancho Dominguez, CA. | Chairman | 2012-12-31 |
Global Infrastructure Solutions, Inc.
 Global Infrastructure Solutions, Inc. HomebuildingConsumer Durables Global Infrastructure Solutions, Inc. provides investment services. It offers new building construction, infrastructure up gradation, and modernization services. The company was founded in 2017 and is headquartered in New York, NY. | Director/Board Member | - |
Taylored Services LLC
 Taylored Services LLC Air Freight/CouriersTransportation Taylored Services LLC engages in the provision of supply chain and logistics management solutions. It offers warehousing and distribution, e-commerce, value added services and merchandise rework, and transport management services. The company was founded by Mark L. Taylor in 1992 and is headquartered in Edison, NJ. | Chairman | 2018-06-04 |
OptzzChain, Inc.
 OptzzChain, Inc. Internet Software/ServicesTechnology Services OptzzChain, Inc. makes warehousing accessible. The firm provides an automated warehousing solution where people who need space can compare options online and find the ideal warehouse space. It offers storage, inbound, outbound, and cross dock services. The company was founded by Jonathan C. Rosenthal and Dan Pimentel and is headquartered in Los Angeles, CA. | Founder | 2016-12-31 |
Esp Technology & Logistics, Inc.
 Esp Technology & Logistics, Inc. Packaged SoftwareTechnology Services ESP Technology & Logistics, Inc. develops technology platforms for supply chain. The company is based in Los Angeles, CA. The company was founded by Jonathan C. Rosenthal, Brian Smith. Jonathan C. Rosenthal has been the CEO since incorporation. | Founder | - |
Former positions of Jonathan Rosenthal
| Companies | Position | End |
|---|---|---|
Accretive Solutions-Detroit, Inc.
 Accretive Solutions-Detroit, Inc. Personnel ServicesCommercial Services Accretive Solutions-Detroit, Inc. provides temporary personnel recruiting and project staffing services. The company is headquartered in South Lyon, MI. | Director/Board Member | - |
Training of Jonathan Rosenthal
| California State University-Northridge | Undergraduate Degree |
| University of Uppsala | Undergraduate Degree |
| Southwestern Law School | Graduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Accretive Solutions-Detroit, Inc.
Accretive Solutions-Detroit, Inc. Personnel ServicesCommercial Services Accretive Solutions-Detroit, Inc. provides temporary personnel recruiting and project staffing services. The company is headquartered in South Lyon, MI. | Commercial Services |
Accretive Solutions, Inc.
Accretive Solutions, Inc. Personnel ServicesCommercial Services Accretive Solutions, Inc. provides consulting, staffing and outsourcing solutions. Its solutions include anti-money laundering, carve-outs, collaboration, data analytics and BI, equity compensation, financial close optimization, IPO readiness, revenue ASC 606, mergers and acquisitions. The company was founded in 1999 and is headquartered in Melville, NY. | Commercial Services |
Saybrook Advisors LLC
Saybrook Advisors LLC Investment ManagersFinance Saybrook Advisors LLC is a hedge fund manager headquartered in Los Angeles, California. The firm was founded in 1990 and is a subsidiary of Saybrook Capital LLC. They manage investments for sophisticated pension funds, insurance companies, family offices, and individuals. | Finance |
Premium Transportation Services, Inc.
Premium Transportation Services, Inc. Air Freight/CouriersTransportation Premium Transportation Services, Inc. provides logistics and transportation services. Its offers drayage, transloading warehousing, infrastructure supply chain management, and security and safety services for various cargoes including electronics and apparel. The company was founded by Bill Allen and Victor N. La Rosa in 1986 and is headquartered in Rancho Dominguez, CA. | Transportation |
Taylored Services LLC
Taylored Services LLC Air Freight/CouriersTransportation Taylored Services LLC engages in the provision of supply chain and logistics management solutions. It offers warehousing and distribution, e-commerce, value added services and merchandise rework, and transport management services. The company was founded by Mark L. Taylor in 1992 and is headquartered in Edison, NJ. | Transportation |
Saybrook Capital LLC
Saybrook Capital LLC Investment ManagersFinance Saybrook Capital LLC (Saybrook Capital) is a private equity firm founded in 1990. The firm is headquartered in Los Angeles, California. | Finance |
Global Infrastructure Solutions, Inc.
Global Infrastructure Solutions, Inc. HomebuildingConsumer Durables Global Infrastructure Solutions, Inc. provides investment services. It offers new building construction, infrastructure up gradation, and modernization services. The company was founded in 2017 and is headquartered in New York, NY. | Consumer Durables |
OptzzChain, Inc.
OptzzChain, Inc. Internet Software/ServicesTechnology Services OptzzChain, Inc. makes warehousing accessible. The firm provides an automated warehousing solution where people who need space can compare options online and find the ideal warehouse space. It offers storage, inbound, outbound, and cross dock services. The company was founded by Jonathan C. Rosenthal and Dan Pimentel and is headquartered in Los Angeles, CA. | Technology Services |
Esp Technology & Logistics, Inc.
Esp Technology & Logistics, Inc. Packaged SoftwareTechnology Services ESP Technology & Logistics, Inc. develops technology platforms for supply chain. The company is based in Los Angeles, CA. The company was founded by Jonathan C. Rosenthal, Brian Smith. Jonathan C. Rosenthal has been the CEO since incorporation. | Technology Services |
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