News The 56-year-old man is accountable for a "cold, calculated murder-for-hire plot," said US Attorney Jamie McDonald.

November 4, 2026 — 2 min read

Brent Sikkema was the 75-year-old co-owner of the Manhattan gallery Sikkema Jenkins & Company. (photo courtesy Sikkema Jenkins & Company)

Daniel Sikkema, 56, has been sentenced to life in prison for his role in the murder-for-hire of his estranged husband, New York art dealer Brent Sikkema, the United States Attorney's Office for the Southern District of New York and the Federal Bureau of Investigation (FBI) announced today, November 4.

Brent Sikkema, the 75-year-old co-owner of the Manhattan gallery Sikkema Jenkins & Company, was found dead in his Rio de Janeiro residence in January 2024. He was stabbed 18 times.…