Screen Shot 2015-04-21 at 2.23.55 PMBernie A. McGraw, P.E., HFDP | President

President of the firm since 2014, Bernie is licensed in seven states and holds the Healthcare Facility Design Professional (HDFP) certification. Bernie is an avid hiker having hiked all of the trails in the Great Smoky Mountains National Park twice and enjoys gardening and beekeeping as well.

David Blakney, P.E. | Vice President

Vice-President of the firm, David earned his Bachelor of Science in Mechanical Engineering at Tennessee Technological University. He started working at the firm in 2005 and is licensed in four states.  He is proficient at energy modeling and is responsible for commissioning projects in our office.  Outside the office David spends the majority of his time with his wife and two little boys.  He also enjoys weightlifting, martial arts, and hiking.

Steven Zimny, P.E. | Mechanical Engineer 

Steven grew up in nearby Powell, TN and has live in the Knoxville area his whole life.  He earned his Bachelor of Science in Mechanical Engineering at The University of Tennessee, Knoxville in 2008.  He has P.E. licenses in Tennessee (2012) and Virginia (2015).  Steven spends most of his free time with his family.  He enjoys hiking, weightlifting, reading up on history, and working on the house.

Travis Huffstetler | Engineer in Training

Travis grew up in Maryville, TN. He earned his Bachelor of Science in Mechanical Engineering at Tennessee Technological University in 2016. Travis has experience in HVAC sales. In his free time he enjoys traveling with his wife, playing with his Golden Doodle, wood working, and cooking and eating delicious food.

Skyler Cassell | Mechanical Designer

Skyler grew up in Knoxville, TN. He earned his associates degree in Computer Integrated Drafting and Design Technology at Pellissippi State Technical Community College. Skyler has 13 years experience in plumbing and fire protection design in Autocad and Revit. Outside of the office, Skyler spends the majority of his time with his wife, Heather, three children, Norah, Ella, and Austin, and chocolate lab, Duke. He enjoys traveling, hiking, and volunteering at his church.

Al Bedinger

Albert Bedinger, P.E., LEED AP

Al is a member of the Rotary Club of Knoxville and is the Secretary of the Great Smoky Mountains Conservation Association. Although he is no longer an owner in the business, Al still works part time and enjoys playing with his grandchildren, hiking, mountaineering, fly fishing, cross country and telemark skiing and vegetable gardening.

Jean S. McGraw, CPA

Jean assists with the bookkeeping side of the business. Recently she has learned how to use AutoCAD & helps us out when our work load peaks. She is an avid hiker and has hiked all the trails in the Great Smokey Mountains National Park twice with Bernie. She & Bernie have been married over 40 years and she loves to spend time with their 11 grandchildren in addition running a CPA office out of their home.