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Jeffrey Just

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Jeffrey Joseph Just
BornJeffrey Joseph Just
(1965-01-06) January 6, 1965 (age 55)
Glen Ridge, New Jersey
🏡 ResidenceNew Hope, Pennsylvania, U.S.
🏳️ NationalityAmerican
💼 Occupation
Transit Wireless
👩 Spouse(s)Divorced
👶 Children2
🌐 Websiteradiantreit.com

Jeffrey Joseph Just is an American entrepreneur and investor. Just co-founded Transit Wireless, which equipped the world’s largest subway,[1] the New York City Subway, with infrastructure for Wi-Fi and cell phone coverage.

Transit Wireless[edit]

Transit Wireless built distributed antenna system (DAS) for 277[2] of New York City’s substations and secured a 27-year partnership agreement with the Metropolitan Transportation Authority.[3] To secure the contract, the company competed against top U.S. carriers, including Cingular Wireless, Sprint Nextel, Verizon Wireless, and T-Mobile.[4] Transit Wireless was tasked with designing, constructing, operating, and maintaining the network.[5] The $200 million project was described by the New York Times as having the potential to “transform the riding habits of New Yorkers”.[4] As the single point of contact for the request for proposal (RFP), Just was responsible for winning the award and negotiating terms of agreement with the MTA.

Popular Mechanics Magazine declared the project’s endeavor a “modern day miracle”, noting its technical challenges, such as concurrent construction and train traffic, extreme underground temperatures ranging from below-freezing to exceeding 100 degrees Fahrenheit, the network’s exposure to pressurized water from routine subway cleaning, and the lack of existing communication systems for workers upon initial construction.[6]

Despite construction complexities, by 2016, Transit Wireless installed 4,000 cellular antennas and 5,000 Wi-Fi hotspots, resulting in 120 million Wi-Fi log-ins and 280 million cellular calls in 2017, alone. By 2018, the network received an average of 400,000 Wi-Fi log-ins per weekday.[3]

Governor of New York Andrew Cuomo publicly commended the Transit Wireless network for improving public safety and security for the subway’s 8 million daily riders:[7] “A more stable network below ground ensures that riders and first responders can seamlessly communicate in events of emergency, which is essential in a system that carries millions of passengers every day”.[8]

The project was completed at no cost to the Metropolitan Transportation Authority (MTA) and will generate an estimated $46 million in revenue for the MTA over the course of ten years, as service providers pay to utilize the network.[9] Additionally, the subway’s 2.5 billion annual riders have access to complimentary Wi-Fi.[7]


Pre-Transit Wireless[edit]

Prior to serving as President and Board Member of Transit Wireless, Just founded and was CEO for the Gunst Corporation (1987 - 1989), First Innovation Inc. (1990 - 1994), EXG Restaurants (1996 - 2000), and Dianet Communications (2003 - 2018).[10][11][12]

Dianet Communications[edit]

In 2003, Dianet Communications was incorporated.[13] Dianet Communications[10][11][12] was one of the first U.S. companies to offer a neutral host Distributed antenna system (DAS). The company developed large networks for public landmarks, including 30 Rockefeller Plaza and the Atlantic City Convention Center.


Presently, Just is the CEO and founding partner of the solar industry’s first mortgage Real Estate Investment Trust (REIT). The REIT focuses on bringing long-term, public financing to solar projects throughout the United States.[14][15][16][17][18]


Early Life[edit]

Just was born on January 6, 1965 to George Just, a salesman, and Gloria Just, Ph.D., a former Major, educator, and registered nurse in the United States Army Reserve. Just grew up in Nutley, New Jersey with his older sister Chris, who is now a nurse midwife, and his younger brother Tom, who is a mechanical engineer.


Just attended Lincoln Elementary School in Nutley, NJ and graduated from Nutley High School in 1983. During his youth, Just participated in Eagle Scout (Boy Scouts of America). During high school, Just was a wrestler and cross-country runner. From 1983 - 1987, Just studied at the University of Virginia’s McIntire School of Commerce and graduated with a Bachelor of Science in Finance.

Personal life[edit]


Just currently resides on 12 acres in New Hope, Pennsylvania with his partner, Manjari Olds, Just’s two sons, Sirius and Orion, Olds’ children, and their family dog, Abby.


In October 2018, Just traveled to Haiti with a team of leaders, including a U.S. senator, pastor, and solar business owner to visit and support orphanages in Haiti.

Public Recognition[edit]

Just has been highlighted by the New York Post,[9] PV Magazine USA,[19] The North American Clean Energy,[20] Crunchbase,[21] the International Battery and Energy Storage Alliance (IBESA),[22] Renewable Energy Magazine (unique visitors per month: 32,277)[23] and 3BL Media & TriplePundit[24][25][26][27][28][29]


  1. Victor, Rotich (June 12, 2018). "The Top 10 Best Public Transit Systems in the World". World Atlas. worldatlas.com. Retrieved June 14, 2019.
  2. "Transit Wireless". MassTransitMag.com. Mass Transit Magazine.
  3. 3.0 3.1 Wireless, Transit (January 16, 2018). "One Year After Launch, Underground Wireless and Cellular Connectivity a Smash Hit". Mass Transit Magazine. Retrieved 15 June 2019.
  4. 4.0 4.1 SEWELL, CHAN (January 19, 2006). "Four Bids to Build Network for Cellphones in Subway". The New York Times Company. Retrieved 15 June 2019.
  5. SEWELL, CHAN (January 13, 2006). "Doubts Cloud Plan for Cellphone Service in Subway Stations". The New York Times Company. Retrieved 15 June 2019.
  6. 7.0 7.1 "About NYC Subways and Buses". MTA. Retrieved 15 June 2019.
  7. "Governor Cuomo Announces Wireless Service and New "Transit Wireless WiFi" in Queens and Manhattan Subway Stations". governor.ny.gov. October 16, 2014. Retrieved 15 June 2019.
  8. 9.0 9.1 Olshan, Jeremy (October 1, 2007). "SUBWAY CELL SYSTEM CAN TRACK YOU DOWN". NYP Holdings, Inc. Retrieved 15 June 2019.
  9. 10.0 10.1 "Dianet completes $25 M financing facility". RCR Wireless News. March 30, 2005. Retrieved 15 June 2019.
  10. 11.0 11.1 "Andrew and American Tower compete to wire NewAmerican Tower York's subway stations". Wireless Estimator. Retrieved 15 June 2019.
  11. 12.0 12.1 "Find Businesses & Services". Cityfos. Retrieved 15 June 2019.
  12. "Company Overview of Dianet Communications, INC". Bloomberg L.P. Retrieved 15 June 2019.
  13. "CB Rank (Company)". Retrieved 15 June 2019.
  14. "Founding of First Long-Term Financing Alternative to the Solar Industry". North American Clean Energy. September 20, 2018. Retrieved 15 June 2019.
  15. "First purely-solar REIT promises new financing structure". S&P Global. September 27, 2018. Retrieved 15 June 2019.
  16. Shravan, Bhat (March 19, 2019). "Mortgage REIT Hires Boutique Bank for Capital Raise". Euromoney Institutional Investor PLC. Retrieved 15 June 2019.
  17. Daryl, Roberts (December 6, 2018). "Solar & Storage Finance Conference Notes". ALT ENERGY STOCKS. Retrieved 15 June 2019.
  18. Driscoll, William (October 1, 2018). "New solar REIT to make long-term solar loans". PV Magazine USA. Retrieved 15 June 2019.
  19. "Founding of First Long-Term Financing Alternative to the Solar Industry". North American Clean Energy. Retrieved 20 Sep 2018.
  20. "Number of Founded Organizations". Crunchbase Inc. Retrieved 15 June 2019.
  21. "201 – The U.S. Energy Storage Market of Tomorrow: New Concepts to Leverage Maximum Business Potential". International Battery & Energy Storage Alliance (IBESA). September 24, 2018. Retrieved 15 June 2019.
  22. Whitlock, Robin (23 July 2019). "The First True Renewable REIT in the market: An interview with Jeff Just of RadiantREIT". Renewable Energy Magazine. Retrieved 23 July 2019.
  23. "How Institutional Investors Can Harness the Solar Power Boom". TriplePundit. 25 July 2019. Retrieved 26 July 2019.
  24. Cohn, Lisa. "Opportunity zones explained: A helpful solar incentive". Solar Power World. WTWH Media, LLC. Retrieved January 8, 2020.
  25. "How Institutional Investors Can Harness the Solar Power Boom". Triple Pundit. 3BL Media & TriplePundit. Retrieved Jul 25, 2019.
  26. Whitlock, Robin. "The First True Renewable REIT in the market: An interview with Jeff Just of RadiantREIT". Renewable Energy Magazine. Retrieved 23 July 2019.
  27. Bhat, Shravan. "Mortgage REIT Hires Boutique Bank for Capital Rasie". Power Finance & Risk. Euromoney Institutional Investor PLC. Retrieved 19 March 2019.
  28. Tsarouhis, Tsarouhis. "First purely-solar REIT promises new financing structure". S&P Global. S&P Global. Retrieved 27 Sep 2018.

External links[edit]

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