Achilles Therapeutics Ltd., of Stevenage, U.K., appointed Carsten Boess to its board.
Exicure Inc., of Skokie, Ill., appointed Timothy P. Walbert chair of its board.
Gadeta BV, of Utrecht, the Netherlands, appointed Marco Londei CEO.
Hemostemix Inc., of Calgary, Alberta, appointed Sheila Copps to its board.
Oncoceutics Inc., of Philadelphia, appointed Raymond Wong chair of its board, Lee Schalop CEO and Josh Allen chief scientific officer.
Polyneuron Pharmaceuticals AG, of Basel, Switzerland, appointed Debra Barker chief medical officer.