David Kantor, of Rockville, died on Nov. 25. Beloved son of Loren and Scott Kantor; cherished twin brother of Jennifer (Michael) Gershberg; and adoring uncle of Matthew, Brooke and Tolly Gershberg. David succumbed to sudden cardiac arrest. He worked as a CPA at The Carlyle Group. Contributions may be made to the Jewish Social Service Agency of Rockville.