Governor Hochul Announces Groundbreaking for Regeneron's Expansion in Westchester County by Governor Kathy Hochul published on 2022-06-22T15:53:44Z June 22, 2022 — Tarrytown, NY — Governor Hochul announced the groundbreaking for Regeneron's previously announced $1.8 billion research, preclinical manufacturing and support facilities at the company's Westchester County campus in Tarrytown. Genre News & Politics