Gerald and Immanuel are responsible for the strategy, origination and execution of secondary advisory activities at Campbell Lutyens, as well as playing an active role in the strategy and direction of the firm as members of our management committee. 

Immanuel Rubin joined Campbell Lutyens in 2004 as the second person in the secondary advisory team. He has advised on landmark secondary transactions for both GPs and LPs including, in 2025, advising Apax on its $3.3bn takeover of AGA. He was instrumental in building Campbell Lutyens’ European secondaries business into the leading advisor in EMEA, also establishing the Asia Pacific secondaries practice in 2016, and the firm’s strategic collaboration with JP Morgan on continuation vehicle transactions in 2023.

Gerald Cooper joined the team in 2016 to build the US secondaries practice from scratch. In 2025 he oversaw several multi-billion secondary transactions, including for TPG Twin Brook, which was the largest credit CV ($3.1B) to date at the time of completion. Gerald has been responsible for originating, executing or advising on every major transaction that Campbell Lutyens has been mandated on in the US since 2016. 

Campbell Lutyens has one of the largest global secondary advisory teams with over 100 professionals​, and has advised on on some of the largest and most innovative transactions that have ever completed in the secondary market​. The team offers the full spectrum of secondary advisory solutions from LP portfolio sales and liquidity offerings to continuation funds and co-investment. It has advised on over $162 billion of transaction value​ during its 25-year track record. 

In its entry, Private Equity News recognises 2025 as one of the strongest periods for the secondary practice, highlighting $11bn of European deals and $6.5bn in Asia closed by the end of November. 

The list aims to recognise an individual’s influence over their business area, leadership within their sector or industry, performance over the past year, and their capacity to shape their business or industry over the year ahead. It is now in its second year, having also recognised Gerald Cooper in 2025.

The full list can be accessed here: https://www.penews.com/lists/twenty-most-influential-in-secondaries-2026

(Disclaimer: awards do not guarantee a particular result.)