Deborah Briggs, Corporate Director EHS; Cargill Inc.


Deborah Briggs is the Corporate Director of Environmental Compliance and EHS Systems for Cargill Inc., an international producer and marketer of food, agricultural, financial and industrial products and services. She currently leads Cargill's global EHS auditing efforts, provides oversight for environmental due diligence activities and is responsible for establishing environmental compliance assurance programs for Cargill's 1300 locations.


Ms. Briggs joined Cargill in 1994 and has worked across many disciplines throughout her career including Quality Assurance, Production Supervision, Integration Management, Strategic Business Development and EHS Leadership.


She received her Bachelor's degree from Indiana University with a double major in Biology and Environmental Science and holds a Master's degree in Business Administration from St Thomas University. Deborah also maintains her Board Certification in Safety.

Chris Nelson, Environmental Permitting Manager; 3M Co.


Chris Nelson

Chris Nelson is the Environmental Permitting Manager for 3M Co., headquartered in St. Paul, Minn.  In this role, he is responsible for permitting strategy and implementation for 3M facilities. He has worked on 3M permitting and compliance issues in many US states and some international manufacturing locations.


Mr. Nelson has worked at 3M for three years, supporting permitting and compliance efforts. Prior to joining the company, he worked for 13 years at the Minnesota Pollution Control Agency, initially as an engineer focused on air quality issues and later managed a cross-media permitting program and dabbled in legislative affairs.


He has a bachelor's degree in chemical engineering from the University of Minnesota, and is a registered professional chemical engineer in Minnesota. Mr. Nelson sits on the Air & Waste Management Association Board of Directors and chairs the Minnesota Chamber of Commerce's Air Quality subcommittee.

Greer Tidwell, Director Environmental Management; Bridgestone Americas Tire Operations


Greer Tidwell

Greer Tidwell is Director of Environmental Management for Bridgestone Americas Tire Operations.  His role includes overseeing the company’s tire manufacturing plants, which have achieved strong environmental sustainability performance, including: ISO-14001 certification, zero waste-to-landfill status, certification as the first LEED-certified tire plants in the world, and status as the world’s first manufacturing plant certified for zero landfilling by Underwriter’s Laboratory. Several of the plants he oversees have certified wildlife habitat areas which are educational resources for the community.


Mr. Tidwell actively contributes to environmental conservation and quality efforts in Tennessee, and currently serves on the Board of the River Network. He is a registered patent attorney and earned engineering degrees from Baylor University and Tennessee Technological University and his law degree from Vanderbilt University.

About NAEM

The National Association for Environmental Management (NAEM) empowers corporate leaders to advance environmental stewardship, create safe and healthy workplaces, and promote global sustainability. As the largest professional community for EHS and sustainability decision-makers, we provide peer-led educational conferences and an active network for sharing solutions to today's corporate EHS and sustainability management challenges. Visit NAEM online at www.naem.org.

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