PO Box 941692, Maitland, FL 32794-1692


Here are the current members of the Central Florida Group’s Executive Committee.
Click on each to expand or collapse their bios and contact information.

Frank Gummey IV - Chair

Frank Gummey has been the Executive Committee Membership chair since October 2015.  He graduated from the University of Central Florida with a B.A. in Interdisciplinary Studies which includes a minor in Urban & Regional Planning. He enjoys biking and exploring the Wekiva River and is partial to natural lands.  He does not own any pets but loves to visit cats and dogs while their owners are away.  Frank’s friends help him decipher mysterious ingredients and keep him on a vegan diet. He was first involved in the Sierra Club through the Clean Water Summit and has relished the political committee training, meeting new environmentalists, and learning from many different expert speakers at meetings

Marge Holt - Vice-Chairperson, Conservation Chair

Marge Holt has been a Sierra Club member since 1999.  She has been in a leadership role for many years and is currently the Conservation Chair and past Chair of the Central Florida Group.  She believes the Group’s outreach to Sierra Club members and volunteers can make a big difference to help tackle many local and regional environmental challenges. Marge enjoys cycling, running and gardening with Florida native plants.

Julie Levine - Secretary

Julie loves the outdoors, especially when it is cold outside! Her hobbies include traveling and photography where she can see the amazing sites around the world. She has been Treasurer, Chair and is now Secretary. She loves meeting Sierra Club members who share in her passion for the environment.

Jim Desmartin - Treasurer

Jim Desmartin has been a member of the Sierra Club since 1980 in four different states and participated in local as well as National Sierra Club outings.  From June 2010 to October 2015, he was the Treasurer of the Central Florida Group’s Inner City Outings/Inspiring Connections Outdoors (ICO) youth outings program.  He became the Treasurer of the Central Florida Group in March 2016.

Eugene Stoccardo - Member at Large

Eugene is a long time activist in Florida. He is a birder, a student of natural history and Florida history. He is involved with environmental organizations as well as promoting open and good governing.  His background is in engineering and science. He served as Commissioner on the Orange County 2020 Charter Review Commission.

Jim Denison - Member at Large

My family moved to Florida when I was 1 over near Clearwater.  My parents were adventurous and Florida was a different, even exotic, place then, I have vivid memories of very wild places in the area from the Panhandle to the Glades, but mostly north of there – Withlacoochee, Sewanee, Croom and other wonderful places.  I am concerned about sprawl and unfettered growth.
After A short time at UCF, I went to Purdue University and received an engineering degree and followed that with a MBA from Vanderbilt University.   While at Purdue, I was assistant director at Camp Lanoche up near the Ocala NF.  So, I have seen the wonders of FL and the encroachment of growth here that troubles me and motivates me to do something.   I was in NC after that before  living in N. Virginia for 30 years working for Nortel and CISCO.  While in DC I was interested in Environment Issues and New Energy potential.  I worked on the Sierra Club DC area Beyond Coal campaign about 10 years ago, an interesting and successful effort, closing a large Coal plant near National Airport there. I look forward to working with the Central F