Our Staff

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Jeff Tiller
Principal Investigator

Jeff is the Principal Investigator on the grant from the State Energy Office that orinially funded the Alliance. Jeff is the Chair of the Technology Department at Appalachian State University (ASU) and works with the Appalachian Energy Center. Before becoming chair, Jeff directed undergraduate and graduate Building Science programs at ASU. One of Jeff’s current projects is directing the development of the North Carolina State Energy Plan.

Prior to moving to North Carolina, Jeff was co-founder and served as President of Southface Energy Institute, a non-profit corporation in Atlanta, Georgia. Jeff has conducted hundreds of seminars, courses, workshops and presentations on energy conservation and solar energy applications in residential and commercial buildings. He has also written numerous Builders’ Guides on high performance construction for various southeastern states, as well as several other well-known publications.

Jeff is a licensed Mechanical Engineer, a LEED-accredited professional, and a RESNET-certified HERS Rater. When not working, Jeff enjoys being outdoors, traveling, attending live music, cycling, and playing soccer. He has two sons and lives in Boone with his wife, Ingrid.

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Chuck Perry
Program Manager

Chuck Perry is the Program Director for the North Carolina Energy Efficiency Alliance. He has 25 years of experience in residential new home industry and over the years he has developed a passion for high performance construction and sharing better building practices with homebuilders statewide.  

Chuck has worked in a variety of construction settings from “hands-on” in the field, to volume operations, to running his own small business. As production manager of a Raleigh-based construction company, Chuck led efforts to incorporate high performance construction such as ENERGY STAR Qualified and NAHB Green Certified homes into the business model.  As NCEEA Program Director, he enjoys collaborating with industry stakeholders and other homebuilders to raise awareness and consumer demand for certified high performance homes.

Chuck is a graduate of East Carolina University and a licensed contractor in the state of North Carolina.  He has served as vice-chair of the Green Home Builders of the Triangle and appointee to the North Carolina Association of Home Builders Green Building Council.  He is a certified NAHB Green Builder, Building Performance Institute Building Analyst and active member of the High Country Home Builders Association.  In his spare time he enjoys cycling, mountain climbing and playing in the dirt.

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Janet Miller
Program Coordinator

Janet Miller is the NCEEA Program Coordinator. She recently earned her Master of Science in Building Science from Appalachian State University in May 2012 and is a BPI Building Envelope & Analyst certified professional. Janet worked for the NCEEA as a Graduate Assistant during school providing outreach through social media on the goals, trainings, and current events of the NCEEA. Her research project and area of interest focused on energy efficiency outreach and promoting behavior change towards energy conservation in the home. 

Janet also works for Appalachian Energy Center as the Workshop Coordinator planning the annual Workshop Series. The Workshop Series offers continuing education and training opportunities to provide the most up-to-date technologies in the building science and renewable energy fields to professionals. Janet has done freelance AutoCad design work for a civil engineering and furniture company for over 20 years.

Janet has lived in Boone for the past 25 years and enjoys doing anything outside: kayaking, mountain biking, hiking, skiing, and backpacking.

Joseph Crocker

Bio. coming soon!

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Lee Ball

Lee F. Ball Jr. has a PhD in Sustainability Education, an MA in Environmental Education, and a BS in Natural Science. He has spent the past ten years teaching Sustainable Building Design in Appalachian State University's Building Science program. Lee's primary research is focused on green building literacy and training needs of the North Carolina real estate appraisal industry. He strongly believes that inaccurate valuations of properties with green/sustainable features are one of the largest barriers to the green building movement.

Lee's other research interests and activities involve indoor air quality effects of low income weatherization, green building occupant behavior modification, biophilic design benefits, cob and adobe construction methods, sustainability literacy, and the integration of service learning activities into his curriculum. Lee is also a founding member of ASU's Living Green residential learning community and teaches one of its linked first year seminar courses. In addition, Lee is a founding member of ASU's Sustainability Council and is the current chair of its Assessment and Data sub-committee.