Rachel Stack
CFO, Lightpath
Speaker Profile
Rachel Stack joined Lightpath in August of 2024 as its Chief Financial Officer and oversees the Company’s corporate finance, including accounting, financial planning and budgeting, treasury, tax and internal audit. In addition, she is responsible for corporate development, strategy and capital markets planning and execution. Prior to Lightpath, she served as the Chief Financial Officer of Cologix from 2020 to 2024. Cologix is a data center company that owns and operates more than 40 data centers in North America. During her time at Cologix, Rachel was responsible for four acquisitions, including one acquisition which enabled Cologix’s presence in Silicon Valley. Ms. Stack led the Company’s inaugural US Asset Backed Securitization (ABS) in December 2021, and the industry’s first Canadian data center ABS in February 2022. In April 2022, Cologix completed a recapitalization that valued the Company at approximately $5 billion. Following the Company’s recapitalization, Ms. Stack was responsible for the capital spend related to Cologix’s $1BN capital deployment plan. Prior to Cologix, Ms. Stack was the SVP, Corporate Development and Strategy at Zayo Group from 2016-2020. During her time at Zayo, she was responsible for all corporate development and treasury activities, including the acquisitions of Electric Lightwave, Spread Networks, Optic Zoo and Neutral Path. She also led the execution of the take private transaction by Digital Bridge and EQT in 2020. In addition to corporate development, she was responsible for revenue strategy, corporate real estate, compensation and ESG. Prior to Zayo, Ms. Stack was an investment banker at RBC Capital Markets focusing on the data infrastructure and fiber industries. Ms. Stack received her BA from Columbia University and her MBA from Columbia Business School. She enjoys running and traveling with her husband and two daughters.
