Subscription lines have grown in popularity and prevalence amid intense enthusiasm for private capital strategies. : This copy is for your personal, non-commercial use only. To order presentation-ready copies for distribution to your colleagues, clients or customers visit http://www.djreprints.com. https://www.barrons.com/articles/subscription-financing-is-the-new-rage-for-private-equity-1541505667 Kent Lucken was writing a business plan for Citigroup’s wealth management business in 2002 when something clicked. Private equity was a hot and growing business, with a few pioneers right where he was, in Boston, like Thomas H Lee Partners and Bain Capital. Working with those firms’ leaders gave Lucken insight into their world, and he saw an opportunity.