Staff
Megan Capie
Executive Director | 215-631-7020 x 304
Megan Capie joined the MACS team in February of 2024 and is currently serving as the Executive Director. Megan has 15 years of experience in association management, operations, and project management. Her key expertise lies in organization membership growth, governance, certification programs, and strategic planning. Megan has applied her skillset for multiple models including trade, academic, and professional associations.
Since beginning her association management career, Megan has managed product certification programs for a major juvenile products association, during which she traveled to Hong Kong and mainland China to present requirements to testing facilities. In addition, she has served as project manager in the development of a comprehensive advocacy program and launched a multi-track certificate program for an event planner’s association. She has also led several associations through lengthy strategic planning events from preparation to implementation.
Megan graduated from Kent State University with a Bachelor of Science in marketing. She lives in New Jersey with her husband Ted, daughter Charlotte, and her pit bull rescue Bailey. When Megan is not helping associations achieve their strategic planning goals, you can find her in the garden.
Jill Christman
Director of Operations | 215-631-7020 x 305
Jill joined the MACS team in 2025, bringing a passion for great customer service, strong leadership, and a focus on growth. Her experience as a corporate business owner, combined with roles at companies such as BB&T, GMAC, and Delta Air Lines, has honed her understanding of the importance of teamwork, adaptability, and a customer-first mindset. Her collaborative spirit and strategic mindset make her a valuable addition to the MACS team.
Lynn Marie Fee
VP Accounting and Human Resources | 215-631-7020 x 307
Lynn joined MACS in November 2001 and manages all MACS accounting and personnel needs. She is a graduate of SUNY Plattsburgh with a BS in Accounting and has more than 25 years of experience in accounting and auditing. Her experience in human resources grew out of compensation and benefits responsibilities. Lynn aids MACS members by managing the overall financial health of the organization and helping manage MACS goals and objectives each year. Lynn enjoys spending time with her family and reading.
Emily Geliebter
Membership Experience & Marketing Manager | 215-631-7020 x 306
Emily joined MACS in June 2024, bringing extensive knowledge of event management and execution. Possessing a Bachelor of Arts in Communication, she has diversified her experience across various areas, including senior services and forensic science. Her enthusiasm for events is a valuable asset to the MACS team. In her free time, Emily is dedicated to coaching soccer and cherishes moments with her family and her dog, Louie.
Steve Schaeber
Director of Training and Regulatory Affairs | Editor-in-Chief, ACtion Magazine | 215-631-7020 x 308
Steve joined MACS in July 2013 and is a graduate of Pennsylvania College of Technology. Steve provides technical support to MACS members, provides mobile A/C training classes and writes air conditioning related technical content. He is also involved in the greater automotive industry on behalf of MACS members through the Society of Automotive Engineers (SAE), Human Factors Technical Committee 6 (SAE-HFTC6) and Technology and Maintenance Council of the American Trucking Association (TMC).
Pam Oakes
Senior Technical Trainer and Curriculum Developer | Secretary, MACS Board of Directors | 215-631-7020 x 309
Pam Oakes joined MACS in April 2025 as Senior Technical Trainer and Curriculum Developer, where she provides automotive training at all levels, including train-the-trainer, professional technicians, and scholastic programs. With over 20 years of hands-on experience running a 12-bay shop in Florida, she specializes in HVAC training, EPA regulations, and refrigerant conversions.
A designated MACS/EPA-609 instructor and test proctor since 2016, she has developed ASE-A7 test prep programs and contributed to ASE exam updates. Additional expertise includes ADAS calibration, fleet training, and technical curriculum development for major corporations. An ASE Master Technician with certifications across automotive, HD truck, and collision repair, Pam is also a member of SAE and the National Science Foundation’s NCAT committee. In addition to automotive expertise, she holds degrees in English, Electronic Engineering Technology, and Cybersecurity.
Pam leads training initiatives at MACS and provides strategic guidance to support the association’s educational goals.
Lisa Medina
MACS Customer Support | 215-631-7020 x 313
Lisa joined the MACS support staff in July 2021. She can process invoices, payments and assist with MACS event registration and offer information about the Mobile Air Climate Systems Association. Lisa manages the MACS Proctor Program as well as assists in accounting procedures.
Lisa spends her free time hiking, cooking and spending time with her family.
Mandi Gravatt
Marketing & Membership Assistant | 215-631-7020 x 310
Mandi joined the MACS staff in July 2025. She holds a Bachelor of Science degree in Business Administration with a concentration in Marketing. She brings a fresh perspective and creative energy to MACS, where she looks forward to contributing innovative ideas and helping drive the organization’s marketing efforts forward. Outside of the office, Mandi enjoys spending time with friends and family, and can often be found on the drag strip!
Dalia Estefania Murillo Delgado
Bilingual Customer Support & Marketing Admin | 215-631-7020 x 315
Giselle Horrell
MACS Customer Support | Copy Editor, ACtion Magazine | 215-631-7020 x 311
Giselle joined MACS in September 2018 and began copy editing for the ACtion magazine in January 2020. She has a Bachelor of the Arts in English, with Associate degrees in Business and Creative Writing. In her role as a MACS customer support specialist, she is available Monday-Friday from 8:30am to 5pm and can answer questions related to MACS Section 609 certification program and assist with MACS event registrations, and offer information about the Mobile Air Climate Systems Association.
Victoria Pettit
MACS Customer Support | 215-631-7020 x 312
Victoria joined MACS in June 2018. In her role as a MACS Customer Support Specialist, Victoria is available Monday through Friday from 8:30am-5pm to answer questions related to MACS Section 609 certification program. She can assist with MACS event registration and offer information about the Mobile Air Climate Systems Association.
Personal interests: hiking with friends, chili and other healthy recipes, veggie gardening, great coffee, intriguing cat videos, cute horse videos, paintings and art museums, fixing old things to last (including myself).