Tandem is a team of hard working real estate developers, construction managers, architects and property managers. We develop lasting relationships built on trust, quality, and focusing on the long term. We encourage autonomy and a culture where the best ideas win.


TANDEM noun tan· dem | \ ˈtan-dəm:
Two or more people working together to achieve a common goal.


Tony Andrews

Director of Construction

Dimitri Nassis

Director of Development

Christopher Walsh

A.L.A., Principal Architect

Sean Staunton

Director of Special Projects and Service

Jeffrey Hreben

Senior Development Manager

Joseph Caucas

Development Manager

Pat Cox

Senior Project Manager

Kevin Henning

Project Executive

Mike Zemanek

Construction Manager

Tianyi Pan

Project Engineer

Michael Prohov

Design Manager

Glenn Miles

Director of Public Projects

Chris Wood


Peter Szczelina

Project Architect/Manager

Taylor Schaub, AIAS, Assoc. A.I.A

Architectural Associate

Mariel Rodriguez

Director of Management

Kaitlyn O’Callaghan

Systems Manager

Jessica Goodnight

Property Manager

Jennifer Bell

Property Manager

Ryne Malonzo


Raymund Voltin

Resident Services Coordinator

Manuel Hernandez

Assistant Building Engineer