 BOSTON--BUSINESS WIRE--Bain Capital Specialty Finance, Inc. NYSE: BCSF, the Company today announced the formation of a joint venture with the private credit business of Pantheon Pantheon, a leading global alternative private markets manager, to provide private direct lending solutions to middle market borrowers primarily across Europe and Australia. The joint venture will invest through the International Senior Loan Program, LLC ISLP. BCSF and Pantheon have agreed to contribute ca 