Skip to content
Sigma 360 Leadership Team - John Katzenmeyer

JOHN KATZENMEYER

Partner, Mosaik Partners

John Katzenmeyer is a Partner at Mosaik Partners and a Board Member for Sigma360.

John has been focused on the financial technology industry for the past two decades.  During that time, John was a senior investment banker covering the payments, investment / wealth management tech, lending technologies, financial software, and other tech-enabled financial services sectors.  He has advised executive management teams and boards on a wide variety of strategic transactions, including both cross-border and domestic transactions.  John also executed public and private capital raising transactions on behalf of his clients totaling over $50B, including the evaluation of several principal investing opportunities.

Prior to joining Mosaik, John held senior financial technology investment banking positions at Macquarie Capital, Stifel, UBS and Banc of America Securities.

KNOWLEDGE CENTER

SIGMA INSIGHTS

Supply Chain Risk: How Legitimate Trade Can Hide Narco-Terrorism

The Hidden Front in Narco-Teerrorism

Cartels have consistently been resourceful. Recently, however, their strategies for disguising criminal finance...

Read More
A Mission That Didn’t Stop: Inside the Sinaloa Cartel Arrest During the Government Shutdown

The October 2025 arrest of a Sinaloa Cartel facilitator in Monterrey during the U.S. government shutdown marks a turning point in how national...

Read More
Material Support and the Anti-Terrorism Act: What Counts and Who’s Liable?

A Broad Definition with Global Reach

Under U.S. law, the phrase “material support to terrorism” is intentionally broad. The Anti-Terrorism Act (ATA)...

Read More
Sigma Loading