Contact Us - Sierra Club's Centennial Group in Northwest Georgia

The five members of the Centennial Group Executive Committee (ExCom) are elected by the membership to 2-year, staggered terms.  The ExCom then selects a chair and vice chair; and appoints a secretary,  a treasurer,  and other committee chairs as needed.  You may contact the Centennial Group ExCom at this address:, or you may click on a member below to get their contact information.

Group ExCom Members and Appointed Leaders


ExCom Chair
Lynn Walston   

ExCom Vice Chair
Linda Bell  

Adopt-A-Mile Coordinator
Angelica Netterville   

Political Chair & Legislative Chair
Linda Bell   

Secretary & At-Large Excom
Claudette Sukenick

At-Large Excom
Olivia Williams

At-Large Excom
Andrea Searles

Helen McLaughlin

Membership Chair
Steven Bell  

Outings Chair & Newsletter Editor
Lee Graham   

HELEN Administrator  
Lynn Walston   

Chapter Delegate
Mary Miller

Alt Delegate
Bettye Harris

Adopt-A-Stream; Water Testing; Rivers Alive Cleanup
Ina Allison   

Smart Energy 
Vacant: Looking for replacement

Parks & Greenspace 
Roberta Cook  

Conservation Chair
Vacant: Looking for replacement

Jennifer Burke