Leah Foertsch O'Neill is a highly skilled professional in the fields of environmental health, safety, and sustainability, currently serving as a Senior Manager at EY since August 2025. Previously, Leah held the position of Principal Consultant at Arcadis from September 2018 to August 2025, where leadership in digital environment, health, safety, and sustainability was provided by bridging information technology and strategic organizational program management. Leah also gained experience as an EHS Systems Analyst at E2 ManageTech, Inc. from May 2012 to August 2025, focusing on the design and implementation of Environmental Health & Safety Management Information Systems. Earlier in the career, Leah worked as an Engineer I at AECOM, contributing to environmental and air quality data management and systems implementation. Leah earned a Bachelor of Science in Civil and Environmental Engineering with an Environmental Studies Certificate from the University of Wisconsin-Madison in May 2009, and attended UNSW in 2007.
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