Mohamed Coulibaly, a 23-year-old Malian immigrant whose rapid rise as a young entrepreneur captivated investors and professional athletes, was found dead in a pool in Mullica Hill, New Jersey, on July 31. Authorities have indicated that Mr. Coulibaly’s death was a suicide, according to individuals familiar with the case who spoke on condition of anonymity.

Mr. Coulibaly’s story was one of dramatic transformation. Having emigrated from Mali to Philadelphia as a child, his early years were marked by hardship, including periods of homelessness shared with his mother and siblings. Yet by his late teens, he was reportedly making millions through sneaker reselling, a venture that earned him notoriety in various media outlets. He also claimed to have played professional soccer and built businesses in fashion and aviation, though some of these claims were disputed.

The entrepreneur cultivated relationships with professional athletes, particularly in the National Football League, who invested in his online shopping company, Motion Venture (also known as Vent Motion). Among these investors were former players and executives, including Matt Breida, a former running back for the New York Giants, and Steve Keim, former general manager of the Arizona Cardinals. Mr. Keim later joined Vent Motion as chief operating officer in 2025.

While some investors reported returns initially, the company’s payments reportedly stopped in late 2024. Investors described mounting delays and dismissive explanations from Mr. Coulibaly, who attributed the issues to hiccups with a promised external investment. Several individuals who gave funds to Mr. Coulibaly said they have struggled to recover their money. Among those affected was NFL player Tae Crowder, who has publicly stated that he lost over $500,000.

Concerns escalated to the point that investors engaged Barry Minko, a self-proclaimed fraud investigator with a contested reputation, to file complaints with the FBI and the Securities and Exchange Commission. Authorities declined to comment on any investigation.

On the final day of his life, Mr. Coulibaly was involved in a tense confrontation with an investor demanding repayment of approximately $1 million. In a desperate effort to secure additional funds, Mr. Coulibaly offered collateral including two Rolex watches, a pair of soccer cleats signed by Lionel Messi, and access to a Lamborghini truck. However, the transaction unraveled after discrepancies in serial numbers emerged, leading the investor to cancel the deal. Text exchanges from that day reveal escalating conflict, culminating in Mr. Coulibaly’s ominous response, “I will be,” to the investor’s message “Dead.”

Despite mounting financial troubles, Mr. Coulibaly continued to maintain a high-profile lifestyle, attending events such as Milan Fashion Week and traveling frequently. In media appearances prior to his death, he denied any wrongdoing and attributed delayed payments to external financial setbacks.

Family members in Bamako, Mali, where Mr. Coulibaly was buried last week, have largely refrained from discussing the business controversies. His uncle emphasized the positive impacts Mr. Coulibaly had on investors, expressing sorrow that financial disputes overshadow the man’s memory.

As his family mourns, investors are left grappling with losses and uncertainty about the true nature of Mr. Coulibaly’s enterprises—whether they were legitimate but mismanaged ventures or an elaborate Ponzi scheme. Some investors acknowledge the complexity of the situation and express regret that the young entrepreneur’s life ended before resolution could be reached.