BioCentury
ARTICLE | Management Tracks

New role for Tam Man Hong at Xtalpi

Plus: Tooman leaving siRNA play Silence and updates from Bavarian Nordic, Enveda, Tessera and Incyte

December 18, 2025 12:28 AM UTC

Eighteen months after taking Xtalpi Holdings Ltd. (HKEX:2228) public, Tam Man Hong will step down as CFO of the AI and robotics-driven R&D company at year-end. He will become Hong Kong and international development adviser, the company said, to focus on BD in Hong Kong and beyond. 

Craig Tooman has left  Silence Therapeutics plc (NASDAQ:SLN) as president, CEO and a director, posts he’s held since 2022. Chairman Iain Ross will lead the London siRNA company until a new CEO is found, and James Ede Golightly, a former Silence director, will re-join the board. The company expects to add a U.S.-based board member, too...