Our Team:

Caralynn Nowinski Collens, M.D.

Chief Executive Officer

Brenna Berman

Executive Director, City Tech Collaborative

Kevin McDunn

Chief Technology Officer

Paul Seeman

Chief Business Officer

Iqbal Arshad


Andre Gudger

Senior Advisor and Entrepreneur-in-Residence


Jacquelyn Allen

Accounts Payable + Receivable Clerk

Bryan Audia

Communications and Design Associate

Mark Babcock

Manager, Contracts and Operations

Brench Boden

Chief Technology Officer, DMDII

Anthony Butler

Corporate Events Manager

Tony Del Sesto

Director, Manufacturing R&D

Annie Donolo

Graduate Fellow, City Tech Collaborative

Leslie Durr

Community Programs & Product Development, City Tech Collaborative

Katie Fayman

Program Associate, DMDII

Colleen Garlington

Director, Business Operations + Assistant General Counsel

Bill Hurley

Chief Building Engineer

Jessica Juozapavich

Director of Finance

David Leopold

Director of Product Management, City Tech Collaborative

George Letavish

Program Manager, City Tech Collaborative

Danielle Love

Corporate Events Associate

Julia Markus

Graduate Fellow, People + Culture

Katie Olson

Director of Operations & Services, City Tech Collaborative

Kelley Patrick

Manager, Manufacturing

Cesar Pena

Systems Integration Engineer

Jamie Ponce

Director of Strategic Partnerships, City Tech Collaborative

Paul Pierson

Manager, Manufacturing Quality

M.H. Powelson

Finance Manager

Kristen Preble

Manager, People + Culture

Larry Preston

Manufacturing Operations Associate

Amanda Needham Quick

Director, Program Design

Meera Raja

Manager of Operations & Services, City Tech Collaborative

Denise Linn Riedl

Ecosystem Development, City Tech Collaborative

Diana Rivera

Accounting Associate

Nick Segreti

Operations Associate

William So

Information Technology Specialist

Brendan Stuart


Lizabeth Stuck

Director, Membership Engagement

Koushik Subramanian

Director of Manufacturing Cybersecurity, DMDII | Chief Information Security Officer, UI LABS

Alyssa Sullivan

Director, External Relations

Katie Tillery-Merk

Director, Technology Strategy and Programs

Charlie Tokowitz

Project Innovation Engineer

Tyler Vizek

Project Innovation Engineer

Kym Wehrle

Director of DMDII Operations

Marcin Welninski

Information Technology Specialist