Sol Kumin

In Kumin's first decade of horseracing, through his horses at Madaket Stables, he won 92 Grade One races, 12 Breeders Cups, the Preakness Stakes three times and the Kentucky Derby twice.

[5] Kumin worked at Lazard Asset Management and Sanford Bernstein before joining SAC Capital, where his roles included Head of Business Development and subsequently Chief Operating Officer under Steve A. Cohen.

"[7] After leaving SAC Capital in January 2014, Kumin started hedge fund Folger Hill Asset Management with over $1 billion from investors[8][9] including $400 million backing from Leucadia National Corp.[10] Kumin named the hedge fund after a hill of the same name on Nantucket where he has a summer home.

[1] Specializing in buying proven established horses,[14] Kumin has (and has had) a stake in a number of active and retired racehorses including Justify, Exaggerator, Lady Eli and Wavell Avenue[15] and has been given credit for having "revolutionized the partnership concept.

"[4][16] In addition to purchasing stakes in proven racehorses, Kumin has also repeatedly invested in yearlings such as Monomoy Girl and Lady Eli.

Named after his wife Elizabeth, Lady Eli won the Breeders' Cup Juvenile Fillies Turf in 2014 and then went on to claim six straight wins before being struck down with laminitis after stepping on a nail.

[25] In 2015, Kumin's Undrafted, which he co-owns with former American football wide receiver Wes Welker, won the Diamond Jubilee Stakes at Royal Ascot.

"[32] Following his horses' performances through the year, Kumin finished fourth in the 2017 Eclipse Award behind Juddmonte Farms, Winchell Thoroughbreds and Godolphin Racing.

[34] After My Boy Jack won the Lexington Stakes and gained 20 qualification points,[35] this would mean that Kumin had three runners in the 2018 Derby.

[41][42] The following month, Uni took Kumin's Grade 1 wins in 2018 to 24 when it won the Matriarch Stakes at Del Mar Fairgrounds.

[46] The next month saw another of Kumin's highest profile horses leave his roster when Mind Your Biscuits retired, with Shadai Farm in Japan taking full ownership.

[45] The Dubai victory was followed by a win for Midnight Bisou at the $750,000 Grade 1 Apple Blossom Handicap at Oaklawn Park.

[48] After owning winners of the two out of the four previous Preakness Stakes in Exaggerator and Justify, Kumin would claim a fourth place in 2019 when Warrior's Charge faded in the home stretch.

[51] In early November, Kumin would take a number of horses to the Breeders Cup at Santa Anita Park, California.

[59] Later in March, Kumin's Wells Bayou scored a front-running win in the $1 million Louisiana Derby (G2) at Fair Grounds Race Course.

[76] In February 2021, The National Lacrosse League (NLL), announced the sale of New England Black Wolves to an ownership group including Kumin, Oliver Marti and Brett Jefferson.