Altimmune Inc., of Gaithersburg, Md., appointed Diane Jorkasky to its board.
Amylyx Pharmaceuticals Inc., of Cambridge, Mass., appointed Machelle Manuel vice president, head of global medical affairs.
Bolt Biotherapeutics Inc., of Redwood City, Calif., appointed William P. Quinn chief financial officer.
Caribou Biosciences Inc., of Berkeley, Calif., appointed Cherry Thomas senior vice president of clinical development.
Celsius Therapeutics Inc., of Cambridge, Mass., appointed Jeanne Magram chief scientific officer and René Russo to its board.
Dyne Therapeutics Inc., of Waltham, Mass., appointed Debra Feldman vice president, head of regulatory.
Maat Pharma SA, of Lyon, France, appointed Ernst Holler, Madan Jagasia, Robert Jenq, Florent Malard and Robert Zeiser to its scientific advisory board. Holler will serve as chair.
Oryzon Genomics SA, of Madrid, Spain, appointed Manuel López-Figueroa to its board and remuneration and nomination committee.