David Zervos, Chief Market Strategist of Jefferies LLC, speaks during an interview with CNBC on the floor at the New York Stock Exchange (NYSE) in New York City, U.S., September 3, 2025.Jeenah Moon | ReutersTreasury Secretary Scott Bessent has hired veteran Wall Street economist David Zervos, the longtime chief market strategist at Jefferies, as a counselor in the Treasury Department. Zervos was a CNBC contributor.Bessent announced the hire Monday in a statement obtained first by CNBC. Zervos will serve in a broad advisory capacity and is expected to begin immediately.He has backed Bessent's recent decision to increase buybacks of some long-term Treasury debt and has called for lower interest rates from the Federal Reserve.Zervos in a brief interview called himself a "Wall Street geek" and said he was excited for his third stint in government. Bessent "has done an incredible job in this administration at guiding the economy through a lot of tumultuous periods," Zervos said. "Whether it's trade, whether it's war, he's stepped up," he said of Bessent. Read more CNBC politics and policy coverageZervos will add intellectual firepower to the Treasury after a series of staff departures t...









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