Formerly Citrusbyte, we are now Theorem. Read our story.

Mission driven, people focused

We work with large enterprise organizations and startups to solve their business challenges by identifying, designing and building innovative software solutions.

We are a team of strategy, design and development experts united by our passion for building human-centered, outcomes focused software. From concept to launch we apply startup-style customer development and agile engineering to creating new products and areas of business.

Meet The Theorem Team

  • Brady Brim-DeForest
    Brady Brim-DeForest

    CEO

    Believes that every company must become a technology company.

  • Will Jessup
    Will Jessup

    Founder, Head of Services

    Believes that focusing on people and how we work is the key to building great things.

  • Alex Finnemore
    Alex Finnemore

    Head of Revenue

    Enjoys using technology to solve complex business problems.

  • Lucas Nasif
    Lucas Nasif

    Director of Engineering

    Cultivates engineering leadership through a passion for client service and simplicity.

  • Christopher Clark
    Christopher Clark

    Head of Talent Acquisition

    Believes technology can change the world for the better.

  • David Kullmann
    David Kullmann

    Partner, Staffing & Embedded Teams

  • Mike Joyce
    Mike Joyce

    Client Partner

  • Adonya Ourshalimian
    Adonya Ourshalimian

    Client Partner

  • Alison Dean
    Alison Dean

    VP of Operations

  • Jonathan Williams
    Jonathan Williams

    VP, Accounts

  • Denny Vadakkan
    Denny Vadakkan

    VP, Accounts

  • FK Funderburke
    FK Funderburke

    VP, Accounts

  • Thomas Shallcross
    Thomas Shallcross

    VP, Accounts

  • Andrew Upah
    Andrew Upah

    Head of Marketing

  • Michel Charlery
    Michel Charlery

    Financial Controller

    • Tatiana Barrera
      Tatiana Barrera

      Bookkeeper / Executive Administrator

    • Sandra Plascove
      Sandra Plascove

      HR Coordinator

      • Kristen Williams
        Kristen Williams

        Talent Recruiter

      • Jayson Minard
        Jayson Minard

        Talent Recruiter

      • Brice Benefiel
        Brice Benefiel

        Talent Recruiter

      • Theresa LeMaitre
        Theresa LeMaitre

        Recruiting Assistant

        • Alexander Eliseyev
          Alexander Eliseyev

          Technical Screener

        • Nicole Gill
          Nicole Gill

          Resourcing Director

        • Nicolas Spurlock
          Nicolas Spurlock

          Special Projects

        • Federico Saravia
          Federico Saravia

          Engineering Manager

        • Jesse Read
          Jesse Read

          Engineering Manager

        • Josh Coulter
          Josh Coulter

          Engineering Manager

        • Daniel Sgranfetto
          Daniel Sgranfetto

          Engineering Manager

        • David Atchley
          David Atchley

          Engineering Manager

        • Sara Taillon
          Sara Taillon

          Engagement Manager

        • Scott Griset
          Scott Griset

          Engagement Manager

        • Cliff Morehead
          Cliff Morehead

          Engagement Manager

        • Joe Donohue
          Joe Donohue

          Engagement Manager

          • Jonathan Horowitz
            Jonathan Horowitz

            Head of Research

          • Alison Welwood
            Alison Welwood

            UX Researcher

          • Mana Momen
            Mana Momen

            UX Researcher

          • Katharine Powell
            Katharine Powell

            UX Researcher

          • Aaron Price
            Aaron Price

            Product Lead

          • Kristin Peterson
            Kristin Peterson

            Product Manager

          • Eric Chambers
            Eric Chambers

            Product Manager

          • Nathaniel Maughan
            Nathaniel Maughan

            Product Manager

          • Elliot Ronen
            Elliot Ronen

            Manager, Product Management

          • Erik Schmidt
            Erik Schmidt

            Product Manager

          • David Glidden
            David Glidden

            Product Manager

          • Rory Craig-Barnes
            Rory Craig-Barnes

            Product Manager

          • Steve Van Mierlo
            Steve Van Mierlo

            Manager, Product Management

          • Eric Lemay
            Eric Lemay

            Product Manager

          • Ben Belanger
            Ben Belanger

            Product Manager

          • Justin Kear
            Justin Kear

            Product Manager

          • Michael Silber
            Michael Silber

            Product Manager

          • Vu Francois
            Vu Francois

            Product Manager

          • Darren Kong
            Darren Kong

            Product Manager

          • Jos Vaught
            Jos Vaught

            Product Strategist

          • Matt Powell
            Matt Powell

            Product Strategist

          • Yoav Cohen
            Yoav Cohen

            Technical Program Manager

          • Alex Zapadenko
            Alex Zapadenko

            Design Manager

            A young design leader with ten years of hands-on experience in various design fields. Provides the very best design services to customers as well as fosters in-house design team.

          • Peter Uzzi
            Peter Uzzi

            Design Manager

          • Charly Prioglio
            Charly Prioglio

            Product Designer

          • Adrian Balkwill
            Adrian Balkwill

            Product Designer

          • Maria Rotariu
            Maria Rotariu

            Product Designer

          • Jon Lehman
            Jon Lehman

            Product Designer

          • Sam Small
            Sam Small

            Product Designer

          • Bal Sieber
            Bal Sieber

            Product Designer

          • Jeffrey Peltzman
            Jeffrey Peltzman

            Product Designer

          • Stefan Balan
            Stefan Balan

            Product Designer

          • Ifan Jones
            Ifan Jones

            Product Designer

          • Yevhenii Paryhin
            Yevhenii Paryhin

            Product Designer

          • Jolo Santos
            Jolo Santos

            Brand Designer

          • Matt Hood
            Matt Hood

            Brand Designer

          • Erica Saurey
            Erica Saurey

            Brand Designer

          • Kevin Bunce
            Kevin Bunce

            Technical Business Analyst

            • Joe Bossalini
              Joe Bossalini

              Solutions Architect

            • Piotr Solnica
              Piotr Solnica

              Solutions Architect

            • Mike McTiernan
              Mike McTiernan

              Solutions Architect

            • Louis Otway
              Louis Otway

              Solutions Architect

            • Andrew Filatov
              Andrew Filatov

              DevOps Engineer

            • Sean Fortner
              Sean Fortner

              DevOps Engineer

            • Stephen Lawrence
              Stephen Lawrence

              DevOps Engineer

            • Matías Flores
              Matías Flores

              Software Engineer

            • Luis Guardiola
              Luis Guardiola

              Software Engineer

            • Josh Hollenbeck
              Josh Hollenbeck

              Software Engineer

            • Leandro López
              Leandro López

              Software Engineer

            • Lautaro Orazi
              Lautaro Orazi

              Software Engineer

            • Joe McIlvain
              Joe McIlvain

              Software Engineer

            • Alex McLain
              Alex McLain

              Software Engineer

            • Brett DeWoody
              Brett DeWoody

              Software Engineer

            • Giannis Tziligkakis
              Giannis Tziligkakis

              Software Engineer

            • Dimitar Valchanov
              Dimitar Valchanov

              Software Engineer

            • Abelino Romo
              Abelino Romo

              Software Engineer

            • Lucas Tolchinsky
              Lucas Tolchinsky

              Software Engineer

            • Denis Sokolov
              Denis Sokolov

              Software Engineer

            • Andrea Pigato
              Andrea Pigato

              Software Engineer

            • Robert Peterson
              Robert Peterson

              Software Engineer

            • Haim Gelfenbeyn
              Haim Gelfenbeyn

              Software Engineer

            • Alfredo Ramirez
              Alfredo Ramirez

              Software Engineer

            • Eugene Howe
              Eugene Howe

              Software Engineer

            • David Kershaw
              David Kershaw

              Software Engineer

            • Devin Sackett
              Devin Sackett

              Software Engineer

            • Brian Pruitt-Goddard
              Brian Pruitt-Goddard

              Software Engineer

            • Jordan Papaleo
              Jordan Papaleo

              Software Engineer

            • Gregory Kenenitz
              Gregory Kenenitz

              Software Engineer

            • Matías Matteucci
              Matías Matteucci

              Software Engineer

            • Agustin Tomas Larghi
              Agustin Tomas Larghi

              Software Engineer

            • Philippe Boudreau
              Philippe Boudreau

              Software Engineer

            • Nico Miyasato
              Nico Miyasato

              Software Engineer

            • Ezequiel Becerra
              Ezequiel Becerra

              Software Engineer

            • Aaron Breckenridge
              Aaron Breckenridge

              Software Engineer

            • Dylan White
              Dylan White

              Software Engineer

            • Marcel Hageman
              Marcel Hageman

              Software Engineer

            • Brad Pitcher
              Brad Pitcher

              Software Engineer

            • Fahimnur Alam
              Fahimnur Alam

              Software Engineer

            • Sebastian Baroni
              Sebastian Baroni

              Software Engineer

            • Nathan Quarles
              Nathan Quarles

              Software Engineer

            • Austin Winstanley
              Austin Winstanley

              Software Engineer

            • Damon Davison
              Damon Davison

              Software Engineer

            • Diana Taguchi
              Diana Taguchi

              Software Engineer

            • Ignacio Gómez
              Ignacio Gómez

              Software Engineer

            • Matthew Cassidy
              Matthew Cassidy

              Software Engineer

            • Pavlo Goncharenko
              Pavlo Goncharenko

              Software Engineer

            • Erick Romero
              Erick Romero

              Software Engineer

            • Luis Laimer
              Luis Laimer

              Software Engineer

              • Marius Alchimavicius
                Marius Alchimavicius

                Software Engineer

                • Troy Thompson
                  Troy Thompson

                  Consultant, Capability Enhancement

                • Albert Wild
                  Albert Wild

                  Software Engineer

                  • Jody Alkema
                    Jody Alkema

                    Software Engineer

                  • Aaron Herchmer
                    Aaron Herchmer

                    Software Engineer

                    Some fun facts

                    • Nationalities represented

                      13

                    • Applications delivered

                      483

                    • Meetups hosted

                      56

                    • Open source projects

                      7