Reinier Eenkema van Dijk

Founder

Reinier is a founder and investor. Prior to founding Aetherion Group, Reinier was a Vice President at Texas Pacific Group (TPG) where he evaluated investment opportunities ranging from large-scale buyouts to growth equity and venture rounds. He worked in TPG’s Rise Fund, the largest social and environmental fund in the world. From scaling the C-Suite, to expanding to new product lines, the focus was always on growing the businesses they acquired. Prior to TPG, Reinier worked in investment banking at Morgan Stanley.

Reinier has built his own real estate development firm Saffron, providing affordable housing to low-income tenants in Houston.

He comes from a family business background: Van Dyk Recycling (VDRS) has built 16 of the largest 25 MRFs across North America.

Reinier has sailed competitively for the US Olympic Development team, and in his free time, he still enjoys rigging a boat and competing together with his fiancé, Maeve.

He received his bachelor of science in engineering from Stanford University and his MBA from Harvard Business School.

The Team

Jack Costello

Investing Team

Jack is an Investment Associate at Aetherion Group, where he focuses on fostering relationships with management teams of high-quality companies preparing for their next phase of growth. He supports all aspects of the investment process, including the evaluation, due diligence, and execution of new opportunities, as well as strategic initiatives across the firm’s portfolio.

Before joining Aetherion, Jack worked in management consulting, advising financial services companies ranging from early-stage startups to Fortune 100 firms. His work centered on driving scalability and efficiency through the design and implementation of strategic operating models.

Jack holds a Bachelor of Arts in Government from Dartmouth College, where he served as captain of the Lightweight Rowing Team.

Kabir Randhawa

Investing Team

Kabir Randhawa has a deep focus on real estate, capital markets, and advanced modeling. Having completed his M.S. in Operations Research with a specialization in Financial Engineering at Columbia University, Kabir brings a hybrid background in applied mathematics, data science, and real estate investing.

Prior to his graduate studies, Kabir earned his A.B. in Applied Mathematics and Economics from Brown University. His professional experience spans investment banking and private real estate investing, having worked at Deutsche Bank, Bravo Capital, and most recently as a Quantitative Research Intern at Korman Communities.

Kabir’s passion lies in using data and advanced analytics to inform long-term investment strategies. He has a particular interest in uncovering market inefficiencies in real estate, and enjoys bridging the gap between quantitative models and actionable business strategy.

Kabir was a Division I swimmer at Brown University and always loves working in a team setting.