 He is now co Managing Director and co-founder of Geneva Venture Partners, a San Francisco-based venture capital firm focused on early stage technology investments.Sill was an early investor in Salesforce.com, Tumbleweed, Callixa (SAP AG), Siebel Systems (Oracle Corporation), Extricity, Finjan, NetGravity, BEA WebLogic, Jaspersoft, Polaris Wireless and Zantaz (Autonomy Corporation).He is currently, or has been, a Board Member of Callixa, Encirq, and Karna, and an Advisory Board Member of Salesforce.com, BlinkLogic and Red Herring Communications.