Privately held optical networking solutions company Infinera Solutions has closed its Series D round with $53 million in new capital. The round was led by Mobius Venture Capital and included participation from all existing institutional investors, as well as new investors Argonaut Private Equity, Ontario Teachers Pension Plan (OTPP) and RWI Group.

This latest round brings total equity financing in Infinera to over $130 million.

“Infinera’s disruptive technology, strong customer endorsements, and world-class team make for a uniquely compelling investment opportunity,” says Gary Rieschel, Executive Managing Director of Mobius Venture Capital. “We are excited to play a key role in the company’s ongoing success.” In conjunction with the financing, Gary Rieschel will take a seat on Infinera’s Board of Directors. Mr. Rieschel joins Alex Balkanski, General Partner, Benchmark Capital, Vinod Khosla, General Partner, Kleiner Perkins Caufield & Byers, Dan Maydan, President Emeritus, Applied Materials, T.J. Rodgers, CEO, Cypress Semiconductor, and Pradeep Sindhu, CTO, Juniper Networks, on Infinera’s Board of Directors.

“Gary’s experience building great companies further strengthens Infinera’s world-class board of directors,” says Jagdeep Singh, CEO, Infinera. “We look forward to working with him and his partners at Mobius Venture Capital.” Infinera is developing building blocks for a radically different perspective on optical networks. These building blocks introduce disruptive innovations, resulting in strategic competitive advantages to its customers.