Darrel Stickler

Global Lead for Environmental Sustainability, Cisco Systems

Darrel Stickler has more than 20 years experience in engineering, manufacturing, enterprise software, and joint venture development in the diverse fields of commercial nuclear power, semiconductor wafer fabrication, personal computers/electronics and, at Cisco, network solutions.


At Cisco, Darrel coordinates Cisco's environmental strategy and initiatives across Cisco's operations, extended operations/supply chain, products and solutions.  As part of these duties, he has been responsible for Cisco’s environment reporting—published in Cisco's Environment Technical Review—and responding to Cisco customer sustainability-related inquiries (including energy, greenhouse gas emissions, climate and net zero!)