Sandra G. Callahan

Chief Marketing and Growth Officer

Sandra has over 25 years of experience in technology services and business consulting firms, leading brand, marketing, and business strategy for transformational high-growth organizations. As Crosstree’s Chief Marketing and Growth Officer, Sandra leads the firms marketing, deal origination, and execution efforts, while working to drive meaningful growth on a global scale.

Before joining the Crosstree team, Sandra was the Senior Vice President and Corporate Head of Enterprise Marketing, Brand, and Communications for Eliassen Group for seven years.  Prior to her tenure at Eliassen Group, Sandra occupied key leadership positions in marketing, communications, and business development at prominent firms including CliftonLarsonAllen, Deloitte Consulting, and others.

As a proud member and speaker of The CMO Club, Sandra has led roundtable discussions and spoken at national events about marketing KPIs and the crucial role marketing plays in M&A transactions. Sandra holds a Bachelor of Science in Business Administration from Suffolk University- Sawyer Business school.