Sampson Lewkowicz (born January 10, 1951, in Montevideo) is an Uruguayan-American boxing promoter and manager, whose notable clients have included Sergio Martinez, Magomed Abdusalamov, Javier Fortuna, and Gabriel Campillo.[1] Lewkowicz is also credited for having discovered Manny Pacquiao[2] prior to the Filipino fighter's arrival in the United States, and served as matchmaker for Sultan Ibragimov.[3]
Lewkowicz is the president of Sampson Boxing, a promotional and advising company for boxers. Lewkowicz has gained notable recognition for his role as chief adviser to multi-division world champion Sergio Martinez.[4][5][6]
Lewkowicz was also involved in helping create a trust for boxer Magomed Abdusalamov after the boxer collapsed following his fight with Mike Perez.[7]
Lewkowicz is also the promoter of two-time super middleweight titlist David Benavidez. Lewkowicz also manages the unified Junior Middleweight world champion, Jeison Rosario. Rosario knocked out Julian Williams in 2019 to win the championship.
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