PTAG Board

The PTAG Board of Directors meets at 6:30 pm on the second Monday of every month at Friends of the Riverfront, 33 Terminal Way, Suite 333B, Pittsburgh, PA 15219 *unless otherwise noted on our Events page.

Board meetings are open to the public;  the first hour of the meeting is reserved for Board business, second hour is open for discussion.

Current Board Members

Peter Greninger, President

Peter Greninger is an outdoor enthusiast working as the Outreach Specialist for REI in SW Pennsylvania and a graduate of the National Outdoor Leadership School in Lander, WY (SSR1). Peter has served as an Urban Eco-Steward with the Pittsburgh Parks Conservancy, a Trip Leader Council Member with Venture Outdoors, a Tireless Project Steering Committee member as well as a member of the Pittsburgh Outdoor Recreation Group, creators of the Walls Are Bad Outdoor Recreation media campaign. Peter joined the PTAG Board in 2006 and has been working to develop strategic partnerships with other organizations as well as city county and state officials to increase PTAG’s impact on the region.

Dr. Jamie Pfaeffle, Treasurer

Jamie Pfaeffle is an orthopaedic hand surgeon and a mountain biker. Jamie became involved with downhill biking early on and in more recent years freeriding. Through volunteer work with PTAG, Jamie has helped to bring a local freeride trail, the North Park Freeride Area, to Pittsburgh. Jamie joined the PTAG board in 2010.

Jim Kapp

Jim Kapp is an avid Mountain and Road bicyclist. His love for the sport goes back to his 3 speed Huffy with banana seat and chopper handlebars. Jim is the co-steward of Boyce park and has been involved with the mapping, painted trail blazing, and bridge building in Boyce.  One of his main focus with the PTAG board will be in the capacity of grant writing and fundraising. 

William Kirk

William was born and raised in the North Hills area of Pittsburgh and currently works in retail logistics project management. As an avid trail builder and multi disciplined rider, he has designed and constructed trails in the Pittsburgh area for over 13 years. William, alongside PTAG board member Jamie Pfaeffle and builder Dave Brunger, was one of the riders, who first joined PTAG to bring Freeride Mountain Biking to Pittsburgh. He is also credited with 7 Springs Bike Park construction and other technical riding areas within the region. As a board member William is excited to raise awareness of PTAG and develop progressive terrain within the region.


Sara Thompson

Sara Thompson is a Landscape Architect with Pashek Associates, a community planning and design firm locatedin Pittsburgh's North Side. Through work, Sara has become experienced in designing sustainable trails throughout Pennsylvania. Recently, Sara has volunteered with PTAG to design and build new trails in Highland Park. This is Sara's first year on the PTAG board.

Ed Watt

Ed Watt was raised in the North Hills area. Since returning from a tour with the U.S. Marines in the Middle East he now resides in the Westview area.  Ed enjoys competing in triathlons, adventure races, trials comps, and anything else that has to do with a bike.  He has spent numerous days helping with the development of the Freeride Trail and Skills park located at Allegheny County's North Park and wants to spread this style of building to all parks. Ed also divides his time between various parks maintaining the multi purpose trails. 

David White

David White is passionate about environmental, transportation, and energy issues. He is a year-round mountian biker and bicycle commuter and, in an effort to help support his love of cycling, has been preforming trail maintenance since he was a teenager. He works for the City of Pittsburgh. He lives with his wife and children in the neighborhood of Stanton Heights.

Lora Woodward

Lora Woodward is an avid hiker, bicycler and canoeist.  As the Public Program Director for Venture Outdoors, she oversees 500+ outings a year led by a dedicated volunteer trip leader corps.  Lora has lead trail-building crews for the Student Conservation Association in Crater Lake National Park, Great Smokey Mountain National Park, Ouachita National Forest, and regionally.  She is trained in Wilderness First Response and teaches Venture Outdoors' Outdoor Leadership Training.  Lora has a keen interest in wilderness awareness and survival, and has been through courses at the Tom Brown Tracker School and the Vermont Wilderness School.  Lora joined the PTAG Board in 2012.

Michelle Wojnar

Michelle Wojnar is a resident of Aspinwall area and moved to the Pittsburgh in 2004 after living in multiple cities thru the East Coast. Her passion is trail running along with biking and whitewater kayaking. Through work and volunteering, Michelle has experienced teaching whitewater kayaking, wilderness survival, trail building and grant writing. Michelle joined PTAG Board in 2012 and looks forward to trail building, promoting PTAG thru trail runs, rides, Bikefest, etc.  

Mary Lynn Marisco RN BSN

Mary Lynn was born and raised in the Fox Chapel Area and is a Surgical Intensive Care Nurse at the VA Hospital in Pittsburgh.  She has a strong passion for enjoying the outdoors and finds it very therapeutic for stress reduction.  Mary Lynn is an outdoor enthusiast who loves to hike, bike, kayak, snowshoe and downhill ski.

She has a passion for making a difference for our county parks by volunteering time with trail building and maintenance to make it a better place for everyone to enjoy.  Mary Lynn is a CPR and ACLS instructor and Certified in Wilderness First Aid.

Mary Lynn has been a Venture Outdoors Trip leader for four years and a member of PTAG since 2012.  Currently she is a new 2014 Board Member and Chair for the Developmental Committee involving grant seeking and promoting memberships.  Looking forward to helping PTAG be the best ever!

Jeff Wuerthele

Jeff joined the board in 2014.

 Cole Williams

 Cole joined the board in 2014.

Adam Sullivan

 Adam joined the board in 2014.

Previous Board Members

Dave Biber: 2001-2013
Maurice Tierney: 2001-2013
Jake Milofsky: 2013
Aaron Basmajian: 2012
Nancy Trun: 2001-2011
Brian DelVecchio: 2009-2011
Elise Gatti:2010-2011
Joe McManus: 2009-2010
Seth Gernot: 2008-2009
Elizabeth Klevens: 2007-2009
Lee Klevens: 2007-2009
Mike Connors: 2007-2010
Brad Childs: 2007-2008

Board Advisor of All Things Crusty

Maurice Tierney