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

          Director of Engineering

        • Jesse Read
          Jesse Read

          Director of Engineering

        • Josh Coulter
          Josh Coulter

          Engineering Manager

        • Daniel Sgranfetto
          Daniel Sgranfetto

          Engineering Manager

        • David Atchley
          David Atchley

          Engineering Manager

        • Matías Flores
          Matías Flores

          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

          • Tarik Yousif
            Tarik Yousif

            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

          • 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

            • Nicole Cannon
              Nicole Cannon

              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

              • 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

              • 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

                      • Geoffrey Russell
                        Geoffrey Russell

                        Software Engineer

                        • Seldon Stone
                          Seldon Stone

                          QA Engineer

                        • Heath Howe
                          Heath Howe

                          QA Engineer

                        Some fun facts

                        • Nationalities represented

                          13

                        • Applications delivered

                          483

                        • Meetups hosted

                          56

                        • Open source projects

                          7