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The SIGMA Team

We do the work. You get the results.

Home » The SIGMA Team

We deliver informed service, simplified systems, and flexible, custom solutions. Our strong and cohesive team of experts has conducted over 2.5 million assessments and have received close to 4,500 academic citations.

TED JACKSON, President & CEO of Sigma Assessment Systems Inc.

Ted Jackson

President & CEO

JULIE CARSWELL, Ph.D.

Julie Carswell, Ph.D.

Vice President

Glen Harrison

Glen Harrison

Vice President

JESSE KETCHABAW

Rob Ashton

Inside Legal Counsel

RICHARD SLEEGERS

Richard Sleegers

Software & IT Manager

SHARON VAN DUYNHOVEN

Sharon Van Duynhoven

Office Manager

Randy

Randy Toye

Software Development & IT Support

consulting

Lauri Cameron

CSR/Office Assistant

Donnia Burton

Donnia Burton

CSR/Office Assistant

consultant

Ruby Nadler, Ph.D.

Leadership Consultant

Consultant

Erica Sutherland, Ph.D.

Senior Consultant & Executive Coach

Consultant

Brittney Anderson, Ph.D.

Senior Consultant & Executive Coach

LAURA JOHNSON, MSc

Laura Johnson, Ph.D.

Senior R&D Analyst

ALICE TJIU, MASc

Alice Tjiu, MASc

Senior Research Associate

Prabjot Kaur

Senior Quality Assurance Engineer

Alex Scotland

Senior Software Engineer

JESSE KETCHABAW

Alexander Bai

Senior FullStack Engineer

Sebastian Murgu

Intermediate Fullstack Engineer

CALLUM HUGHSON

Callum Hughson

Managing Editor

HELEN SCHROEDER

Helen Schroeder

Marketing Project Manager

HITEN DAVE

Hiten Dave, PhD

R&D Analyst, Talent Assessment

Shruti Kumar, MSc

Junior Consultant

Leonid Beletski, MSc

Associate Consultant — Behavioral Science and Innovation


Build on the strength of your leadership.

Contact a SIGMA team member today to discuss how we can help your organization develop leaders for today and plan for tomorrow.

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