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Lorenna Buck

Lorenna Buck

Managing Director, Ariel Investments
United States
As Managing Director, Lorenna serves on the firm’s investment committee and is responsible for deal sourcing and execution, due diligence, portfolio management, and value creation opportunities. She currently serves as board director for two platform companies, Sorenson, the leading U.S. communications provider for the Deaf and Hard-of-Hearing and CQ Fluency, a healthcare translation and communication solutions provider. Formerly, Lorenna was a managing director and partner at Boston Consulting Group (BCG) leading the sustainable investing agenda for the private equity practice, inclusive of ESG and DEI. In this capacity, she worked closely with private equity investors and portfolio companies across a variety of industries and growth stages, supporting close to 100 growth strategy, market study and due diligence projects. She also contributed to the establishment of the ESG data convergence initiative. Within BCG, Lorenna was a leader in the Black + Latinx network and racial equity task force and guided the growth of BCG Spark, a pro bono accelerator which supports minority businesses across the U.S. Lorenna also worked in R&D strategic intelligence at AstraZeneca Pharmaceuticals and sat on the board of the Harvard/MIT COOP. Lorenna is on the boards of the United Way of Massachusetts Bay and Flare Education. She earned her BS in biomedical and electrical engineering from Duke University and holds a PhD in biological engineering from MIT, where she served on several institute committees.