Mosaico Partners

Strategic, experienced, and globally minded.

Who We Are


  • Co-Founder and Managing Director

    Tatum brings a rare blend of private sector leadership and international public policy expertise. She has advised Fortune 50 companies, built successful coalitions across government and business, and led high-stakes advocacy efforts in complex markets including Myanmar, Kenya, Kosovo, and Papua New Guinea.


  • Co Founder and Principal

    Alex is an economist and former U.S. diplomat with over 15 years of experience advancing economic development and investment across Southeast Asia, the Middle East, and Eastern Europe. He has led strategy and execution for large-scale initiatives in energy, trade, and private sector growth.

Our
Values

Enduring Relationships

We build long-term partnerships rooted in trust, discretion, and shared success. Our clients know we’re in it for the long haul.


Strategic Clarity

We bring sharp insight to complexity, helping clients see clearly, act deliberately, and stay grounded in moments of uncertainty.


Global Nuance

With deep experience in global government affairs, we navigate the interplay between local context and global systems.


Thoughtful Execution

We lead with care, not noise.