Jack is Harmoni’s Chief Financial Officer (CFO) and leads all of Harmoni’s financial functions. Jack has over 20 years of experience working with high growth private equity backed companies, including five years as CFO of Eco-Site, a turnkey provider of wireless infrastructure solutions. Jack holds a B.A. in Economics from the University of Virginia, an MS in Economics from the University of North Carolina – Chapel Hill, and an MBA from Vanderbilt University.
Ron is Harmoni’s Chief Development Officer (CDO) and is responsible for all new asset development projects at Harmoni, including towers as well as RAN procurement and installation services for Harmoni’s wireless carrier partners. Ron has over 30 years of experience in senior operational and delivery roles within the AT&T and Verizon carrier network organizations. Ron is a graduate of Triangle Technical Institute and California University of Pennsylvania.
Aaron is Harmoni’s Senior Vice President responsible for all of Harmoni’s business development initiatives nationwide. Prior to joining Harmoni, Aaron spent 20 years in the telecommunications industry with leadership roles at American Tower Corporation and other infrastructure companies serving major carriers including AT&T, T-Mobile and Verizon. Aaron is a graduate of California State University Fresno and National University.
Mary Lou is Harmoni’s Senior Vice President charged with leading all new infrastructure development activities at Harmoni. Mary Lou has over 20 years of industry experience in various aspects of telecommunications project development, including years working for AT&T and later for firms supporting a wide array of national carriers’ expansion efforts. Mary Lou is a graduate of Thiel College in Pennsylvania with a BS in Business.
Kim is Harmoni’s Senior Vice President and General Counsel of Harmoni Towers and has held numerous senior legal roles over the course of her nearly 20 year career in the telecommunications infrastructure and real estate industry. Kim began her legal career at American Tower Corporation and moved to other legal roles within the telecommunication sectors at Clearwire, NextG Networks and Crown Castle. Kim holds a B.S. from University of Massachusetts, Amherst and a J.D. (Law) from Suffolk University Law School in Boston, Massachusetts.
Bill is Harmoni’s Chief Operating Officer (COO) and is responsible for all of Harmoni’s administrative and operational functions. Bill has over 20 years of experience in the telecom industry including numerous and varied leadership roles with Sprint (now T-Mobile) and a Softbank led wireless JV. Bill is a graduate of the University of Iowa and Drake University’s School of Law and Business School.
Todd is Harmoni’s Senior Vice President of Finance and leads all strategic financial initiatives as well as internal and external reporting. Todd has over 20 years of finance and accounting experience, including more than 12 years of experience in the telecom industry. Prior to joining Harmoni, Todd served in various finance roles at American Tower Corporation. Todd holds a Bachelor of Science in Accounting and Master of Accounting from North Carolina State University, and an MBA from the University of Florida.
D.J. is Harmoni’s Vice President responsible for all of Harmoni’s information technology as well as all asset management. Prior to Harmoni, D.J. held various systems and finance leadership positions at Spectrum (formerly Time Warner Cable). D.J. holds a Bachelor of Business Administration from LeMoyne College and an MBA from Oswego State University School of Business.
Yannis is Harmoni’s Chief Executive Officer (CEO) and is responsible for Harmoni Towers’ overall integrity and performance. Yannis has 25 years in various leadership roles in the communication infrastructure industry prior to joining Harmoni, including various key executive roles at American Tower Corporation. Immediately prior to leading Harmoni, Yannis served as CEO of Parallel Infrastructure, a national tower development firm acquired by Harmoni from Apollo Global Management in late 2022. Yannis is a graduate of Columbia University and Tulane Law School.
Chas is Harmoni’s Senior Vice President who leads the development of strategic opportunities and partnerships with Harmoni’s carrier customer base. Chas has over 30 years of experience in engineering, finance, and procurement functions at Sprint, most recently supporting the integration of T-Mobile’s acquisition of Sprint prior to joining T-Mobile). Chas earned a Bachelor of Science degree from Columbia University and an MBA in Strategic Planning from the University of Maryland.
Stacy Yavello is Harmoni’s Vice President and Controller for Harmoni Towers, responsible for all facets of Harmoni’s books and financial records and compliance. Stacy has over 20 years of finance and accounting experience across multiple industries and disciplines. Prior to joining Harmoni Towers, Stacy served for five years as the Vice-President and Corporate Controller of Eco-Site, a builder and operator of wireless infrastructure solutions. Stacy holds a Bachelor of Arts in Accounting from Western Michigan University.