25 Years of Impact: The Power of Global Collaboration in EHS

Keith Knoke is an Executive Vice President at Antea Group USA and a Director of Antea Group UK, with more than two decades of experience in environmental, health, safety, and sustainability (EHS&S) consulting. He has led global client programs and advised multinational organizations on enterprise‑wide EHS risk management, due diligence, remediation, and the design and implementation of complex EHS&S programs in regulated environments.

Keith also serves as Chair of the Board for Inogen Alliance, a global network of EHS&S consultancies, where he works closely with international leaders to help organizations manage risk and deliver consistent outcomes across regions. A geochemist by training, Keith is recognized for his ability to bridge technical rigor with practical business strategy—helping organizations strengthen performance, manage risk, and scale responsibly across geographies. 

Alex is an established Environmental and Sustainability Consultant who has been part of the Inogen Alliance for the full 25 years of its history.  From working as a junior consultant in the UK delivering site investigations and undertaking groundwater monitoring for industrial and real estate clients through to leading the UK Alliance team through the establishment of global EHS, water and due diligence services for our multi-national clients.  As a member of the leadership team and the Board in various roles throughout the history of Inogen Alex has experienced the full range of the Inogen experience as the Environment Health & Safety and Sustainability market the Inogen Alliance has evolved to successfully navigate the first quarter of the 21st century.