Philip Yau, Jefferson Stone and Nishant Saxena joined Probitas Partners, a San Francisco alternative investment adviser and placement agent. The positions are new.
Mr. Yau, a principal, will be based in New York. He had been a principal with Viventures, the French venture capital arm of Vivendi Universal, which was acquired by Global Asset Capital and Hamilton Lane Advisors in July. Mr. Stone, a vice president, has been a principal with Siebel Systems, managing Siebel's alliance with PricewaterhouseCoopers Consulting. Mr. Saxena has been an associate with Continuum Ventures, a high-technology venture capital firm.