Jon M. Williams, founder and CEO of Viridi Parente, joins Endeavor’s entrepreneur network.
Williams is the ninth Western New York entrepreneur to join the global network that supports founders and companies that have made it through the early startup stages and demonstrated the potential for rapid expansion and scale-up. In return, Endeavor entrepreneurs are committed to mentoring and investing in the next generation of founders.

Viridi Parente founder John Williams at the company’s manufacturing facility. Viridi Parente’s expansion into East Buffalo will mean big changes for the neighborhood’s residents, many of whom are expected to become employees.
Derek Ghee/Buffalo News
Founded in Buffalo, Viridi Parente was created to bring lithium-ion energy storage technology to the mainstream. The company has raised more than $118 million in funding from investors including Grand Oaks VP and Impact Capital of NY.
Williams has been in the environmental field for over 30 years, and prior to founding Viridi, he owned and operated OSC Holdings, a group of companies in the U.S. and Canada that specializes in environmental remediation and the redevelopment of former industrial sites.
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“Joining this network will allow me to connect with like-minded visionaries and mentor the next generation of entrepreneurs while expanding my impact on global environmental innovation,” Williams said.
He joins other top Western New York entrepreneurs, including Aerosafe Global’s Jay McHargue, Squire’s Sonji LaRon and Dave Salvant, and Circuit Clinical’s Irfan Khan, as part of a network that includes 2,604 entrepreneurs leading 1,594 companies in 42 markets around the world. Endeavor’s Western New York chapter launched in 2020.
“We are excited to leverage the power of Endeavor’s unmatched global network to help John and Viridi’s team scale even faster, grow even bigger and serve as an inspiration to the next generation of entrepreneurs here in Western New York and beyond,” said Alan Rosenhock, managing director of Endeavor Western New York.