Steering Committee

Donna Lynch
Vice President, EHS | STACK Infrastructure
DCSC Steering Committee Chair

Donna Lynch is the Vice President of Environment, Health & Safety for STACK Infrastructure. Donna maintains a Certified Safety Professional designation from the Board of Certified Safety Professionals and has over 20 years of experience in EHS management. She first began supporting the data center industry in 2011 when she began supporting a global hyperscale firm with EHS compliance around the world. She was hired by STACK to build an EHS program in 2021. Prior to coming to STACK, Donna led the Health & Safety Practice area for a global EHS & Sustainability consulting firm. Their primary focus was supporting global technology companies. Her prior experience includes a decade in the Insurance industry focused on manufacturing, real estate and hospitality clients. And she began her career as a manufacturing engineer in the agricultural equipment and defense avionics industries.

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Gareth Evans
Vice President, HSE | Yondr Group

Gareth Evans is a global Health, Safety, Environmental and Quality (HSQE) leader with over 20 years of experience across construction, real estate, data centres, and high-risk technical environments. Gareth is the Vice President of HSE for Yondr Group, leading HSE strategy, governance, and critical risk programs globally.

Gareth is deeply committed to moving HSE beyond compliance, focusing on what makes work go well, not just what goes wrong.  He is passionate about shaping high-performing cultures that priorities accountability, adaptability, and continuous improvement in complex, fast-paced settings.


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Michael Fleming
Director Health & Safety EMEA | Salesforce

Michael Fleming is the Director of Health & Safety EMEA at Salesforce and brings nearly 20 years of global risk and safety leadership experience. His expertise spans multiple industries (Construction, Technology, Live Events & Real Estate) and geographies, with a track record of developing comprehensive health & safety strategies across complex international regulatory environments.

At Salesforce, Michael leads health & safety operations across EMEA and LATAM regions while managing the global Data Center safety program. He drives strategic program development, builds high-performing teams, and manages critical stakeholder relationships across multiple countries. Michael strongly commits to managing risk, advancing safety culture reflecting his own core values of equality & care.










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Rich Follweiler
Operations EHS Manager | Flexential

Rich Follweiler is the Operations Environmental, Health and Safety (EHS) Manager for Flexential. Before his Operations EHS role, he spent 20 years as a Critical Infrastructure Manager working in Data Centers. With 25 years in the Data Center Industry, he has a unique perspective of observing safety practices and preventing hazards within Data Centers.

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Octavais Walton
Director, Environmental, Health and Safety | Vantage Data Centers

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Gregory Oldfield
Corporate EHS Manager | Oracle

Greg Oldfield is a Certified Occupational Hygienist with over 30 years of experience in occupational health and safety. He has worked in a variety of industries, including mining, petrochemical, IT services, local government, oil and gas, public health and agriculture. He has published articles related to effective management of diesel particulate emissions and step-by-step guide to managing chemicals in the workplace. In his current role as Corporate Global EHS Manager at Oracle he is focused on Oracle’s Cloud Operations, where he leads internal teams spanning across EMEA, JAPAC and Americas, with a goal of optimizing EHS management and maintaining safety within Oracle’s Cloud Data Center environment.

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Christopher Dark
Global QHSE Director, Data Center Solutions | CBRE

Chris Dark (CEnvH, CMIOSH) is the Global QHSE Director for CBRE’s Data Centre Solutions Sector. Chris has over 20 years’ experience in facilities management, having previously lead Quality, Health & Safety, Food Safety and Environmental management functions within global multinational facilities management providers in the UK and across EMEA. In these roles, Chris has supported operations across a range of industries including, energy and resources, healthcare, education, finance, logistics and manufacturing. Chris started his career as an Environmental Health Officer in the UK, spending 5 years delivering regulatory enforcement services before moving into commercial QHSE roles. For the last 3 years, Chris has shifted his focus toward Data Centers, striving to support this rapidly growing industry by ensuring QHSE is considered and embedded throughout.

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Benjamin Legg
Global Vice President, Health & Safety | Digital Realty

Ben has 30 years’ global experience delivering progressive Sustainability, Safety and Health operations. He has successfully led and facilitated change programs across many industries including healthcare, commercial, heavy infrastructure, and industrial organizations. He has worked and led global entities such as Aecom, Ferrovial, Skanska, Mace and was the Executive Director of safety for NEOM The Line, a 170km long, 500m high vertical linear city, an unprecedented smart city, unparalleled globally in scale or complexity. He is now the Global Vice President of Health and Safety for Digital Realty based in Madrid, Spain.

He equally gives his time on a pro bono basis, as a Non-Executive Director for Repple and Navatech, both startup businesses focused on highly innovative technology driven solutions. He is an Awards Ambassador for The Royal Society for The Prevention of Accidents and a member of the UK Chartered Institute of Occupational Safety and Health business leaders group advising on strategy and business planning for the Institute.

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Thomas Lee
Vice President, EHS | QTS Data Centers

Thomas Lee is the Vice President of Environmental, Health, and Safety (EHS) at QTS Data Centers, where he leads initiatives to enhance workplace safety, regulatory compliance, and risk management across the organization’s operations. With over 20 years of experience in the power industry and other sectors, Thomas has developed an expertise in global safety leadership, operational risk mitigation, and the advancement of safety culture in complex, high-risk environments. He holds a Safety Sciences degree from Indiana University of Pennsylvania and multiple certifications from the Board of Certified Safety Professionals. Throughout his career, Thomas has been dedicated to driving continuous improvement, fostering collaboration across industries, and ensuring the highest levels of protection for people and critical infrastructure.

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Jamie Hill
Senior Director of Environmental Health & Safety | EdgeCore

Jamie Hill, is the Senior Director of Environmental Health & Safety for EdgeCore.  Jamie has over 15 years of leadership experience in the energy sector mainly in nuclear and natural gas, where she has built an impressive track record in safety, environmental management, regulatory affairs, and public policy. Most recently, as a Senior Manager at Exelon, she was responsible for directing all environmental activities for Pepco Holdings, including driving the company’s climate strategy and leading its environmental justice initiatives. Her leadership responsibilities also included conducting safety audits and managing the certification of programs to ISO 14001 and 50001 standards.  Jamie holds a Master of Science in Energy Policy & Climate Change from Johns Hopkins University and a Bachelor of Science in Civil & Environmental Engineering from Prairie View A&M University.

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Kelli Gustaf
Global Head of Environmental, Health & Safety | Ada Infrastructure

Kelli Gustaf is the Global Head of Environmental, Health & Safety at Ada Infrastructure, with over two decades of leadership experience across government, energy, and retail sectors. She has built and aligned global EHS management systems, led rigorous audits, and embedded performance excellence within Fortune 500 organizations worldwide.

Her philosophy emphasizes a culture of safety that empowers people, fosters accountability, and integrates well-being into daily practices. Believing true safety leadership goes beyond compliance, she champions proactive risk management and environments where individuals thrive. Based in Seattle, Kelli has held senior roles in both the U.S. and U.K., most recently as the head of Health, Safety, Environmental & Carbon for the largest refinery in Washington state.