WofA Board of Trustees Members
 SHEILA BARKEVICH, PRESIDENT
Sheila Barkevich graduated from Cornell University with a bachelor’s degree in Industrial Engineering and immediately went to work for Callanan Industries, Inc., a CRH Co. She has spent her career in various roles at Callanan and while there earned an MBA from the University at Albany. Sheila has participated on the NCAT and NEAUPG Steering committees and was co-chair of the NYSAPA technical committee for several years. She is currently the Northeast Division Performance Manager at CRH Americas Materials
Sheila resides in Clifton Park, New York, with her husband, Bruce Barkevich, who is also in the Asphalt Industry, and their three children.
ASHLEY BATSON, JD, VICE PRESIDENT
Ashley Batson joined Ingevity as the Manager of Government Relations, Road Construction in 2021. Prior to that, Ashley served as Executive Director of the SC Asphalt Pavement Association. She began her career in law before transitioning to government relations and association management. She currently serves on the Board of Directors for TRIP and Women of Asphalt. Ashley is a graduate of the Charleston School of Law and Clemson University.
She lives in Charleston, South Carolina, with her husband and their two sons.
BETH DUFFUS, SECRETARY
Beth Duffus graduated from Washington State University with a Bachelor's Degree in Construction Management. She has paved her career as an experienced Project Manager with over 15 years’ experience at Granite Construction Company (Granite) managing a majority of the paving projects out of the Everett, WA office. Throughout her career, Beth has become the subject matter expert for engineers and managers in the Pacific Northwest Region when estimating and managing paving projects.
Beth resides in Lake Stevens, WA with her 12-year-old Alaskan Malamute and spends most of her free time on the golf course!
RACHEL QUAM, TREASURER
With 20 years of experience at Caterpillar Inc., Rachel Quam’s career has spanned roles in engineering, sales, strategy, and leadership. She leads a team focused on dealer and customer training, customer experience, prioritizing product needs/gaps within the regions, and driving profitable growth aligned with the enterprise goals. She holds an MBA from Bradley University and an electrical engineering degree from South Dakota State University. Quam is highly engaged in Society of Women Engineers, Women’s Initiative Network (a Caterpillar Inc. employee resource group), and Women of Asphalt, proudly helping launch the Women of Asphalt Minnesota/Dakota Branch and serving as the Vice Chairwoman.
LORA COLLINS
Lora Collins began her career with Marathon Petroleum Company in 2007 as Propane Product Manager. Prior to joining MPC, she worked in research chemistry roles at Pfizer and Procter & Gamble for 16 years. Since 2007, Lora has continued to work in various roles in the Commercial organization including Brand and Wholesale Marketing, Asphalt Technology, and Pricing. In October 2017, she began an assignment as Asphalt Region Manager that expanded into her current role as Asphalt Value Chain Director.
Lora graduated with a Bachelor of Science degree in chemistry from Ohio Northern University in 1991. She and her husband Alan have five children (ages 20 to 25 years). She enjoys spending time with her family and managing her fantasy football team.
AUDREY COPELAND, PHD, P.E.
Audrey Copeland is the President & CEO of the National Asphalt Pavement Association (NAPA) since 2019. Previously, she served as NAPA’s Vice President of Engineering, Research, and Technology, and as a highway engineer and researcher at the U.S. Department of Transportation Federal Highway Administration (FHWA). Audrey currently sits on the Board of Directors of the National Center for Asphalt Technology (NCAT) at Auburn University, and also TRIP – the National Transportation Research nonprofit to improve the U.S. highway, road, bridge, and transit network. She is a registered engineer in the Commonwealth of Virginia and the State of Maryland.
Audrey lives in Kensington, Maryland, with her husband, Jose Albertini, and their two children.
STEFANI MARTELLA
Stefani Martella graduated from Towson University with a degree in Political Science which led to the start of her construction career in 2008 as the Member Services & Legislative Affairs Director for Associated Builders and Contractors Chesapeake Chapter. In 2010 Stefani received an opportunity to redesign and manage an aggregate and hauling company serving the DMV region where she successfully faced the challenge of learning a new scope of the industry. Currently, Stefani is the Sales Manager for Francis O. Day Company where she has managed their FOB sales and marketing team since 2018. Stefani is active with the Maryland Asphalt Association where she participates on several committees. Stefani also launched the Maryland Branch of Women of Asphalt as Chairwoman in 2020 where she still serves, served on the Women of Asphalt Knowledge Committee in 2022 and 2023, honored as a recipient of the 23 outstanding women in 2023 campaign by the Women of Asphalt and joined the Women of Asphalt Board of Directors in 2024.
Stefani lives in Annapolis, Maryland with her two children, Bailyn and Brody, and enjoys being surrounded by the Chesapeake Bay and the Baltimore Ravens.
AMY MILLER, P.E., MBA
Amy Miller is a graduate of the University of Florida with a degree in Environmental Engineering and a Master of Business Administration. She is a licensed professional engineer in the state of Florida. Immediately out of college she worked as a civil engineer eventually transitioning to a sales engineer role then onto a key account manager position. She currently serves as the Executive Director for the Asphalt Contractors Association of Florida.
Amy resides in northeast Florida with her husband and three children.
 MICHELLE M. MILLER, P.E.
Michelle M. Miller graduated from Michigan Technological University with a degree in Civil Engineering where she worked in the materials and asphalt laboratories. She gained expertise with paving contractors in Wisconsin and Michigan, ultimately developing a comprehension of contractor quality control and construction practices, insight into customer support and sales of HMA, and an interest in ways to improve flexible pavements. These industry experiences prepared her for her current role as the HMA Mix Design Engineer for the Michigan Department of Transportation as the statewide specialist in HMA mix design.
In addition to her professional work, she realized her passion for supporting, connecting, and inspiring women in the asphalt paving industry. She launched the Michigan Branch of Women of Asphalt as Chairwoman and joined the Women of Asphalt Board of Directors in 2022.
 DEBBIE NOVAK
Debbie Novak started with Missouri Petroleum’s parent company, Lionmark Construction Cos., LLC, in September 1995. Debbie is responsible for Missouri Petroleum’s Asphalt Purchasing, managing the Company’s asphalt needs for emulsions and cutbacks. She also serves as the Marketing Director for Lionmark Construction Companies, managing social media and marketing content for several companies under their parent company, Lionmark.
Debbie is a member of MAPA, Asphalt Institute & APWA Missouri Chapter and is involved with other organizations such as AGC of Missouri and SITE Improvement Association. Debbie also serves on the National Board for Women of Asphalt and is Chairwoman for Women of Asphalt’s Missouri Branch. In addition, she is on the board for Associate Members for Asphalt Institute and on the Asphalt Institute Marketing Committee.
Debbie lives in Wentzville, MO and enjoys spending time with her son Conner.
 VICTORIA TAFFET
Victoria Taffet graduated with a Bachelor’s in Organizational Management from Warner University in 2005 and a Master’s in Management & Leadership from Webster University in 2007. Victoria started her construction career in 2011 with Reeves Construction Company, a Colas Company, as their Continuous Improvement (CI) Manager and went on to become the Colas US CI Manager focusing on national strategic projects. Before starting with Reeves Construction Company, she was responsible for managing maintenance on Launch Pads A & B for United Space Alliance (USA), contractor for NASA on the space shuttle program at Kennedy Space Center. While there she earned her Lean Six Sigma Blackbelt certification and launched her career in change management and process improvement. Victoria was a founding member of the Colas Women’s Initiative to increase diversity within Colas and lead the team on creating Colas’ Mentorship Program. Victoria became a WofA Board member in March of 2022. In November of 2022, Victoria became the Director of Corporate Social Responsibility for Colas USA.
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