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

Ted ensures SIGMA is working to achieve its strategic objectives, and consistently and successfully meeting client needs according to the highest standards of research, quality and customer service. He works with companies around the world to reach and maintain agreements to license and distribute SIGMA’s intellectual property.
JULIE CARSWELL, Ph.D.
VICE PRESIDENT
Julie oversees research and development projects as well as training, coaching and consulting work. She divides her time between successfully promoting and executing SIGMA’s strategic vision to develop innovative, psychometrically superior assessments, and implementing large-scale employee and leadership coaching and development initiatives for clients.

GLEN HARRISON
VICE PRESIDENT

Glen oversees SIGMA’s sales and marketing activities. As a skilled presenter and trainer, he has designed and delivered engaging and entertaining workshops and webinars to help leaders and HR professionals enhance their understanding of how our products and services can be used to realize potential within their organizations.
ROB ASHTON
INSIDE LEGAL COUNSEL
Rob is SIGMA’s in-house lawyer. He has spent his career providing legal and business advice to local and global businesses in a wide variety of industries. Rob works closely with SIGMA executives and other team members to ensure SIGMA is able to continue offering excellent value-added services to our clients, while managing the risks and pitfalls present in today’s global economy.

RICHARD SLEEGERS
SOFTWARE & IT MANAGER

Richard manages the project planning for the IT Development Team, including software, fax scoring, and web applications. Bringing SIGMA’s vision and designs to life by executing technical plans and user-friendly solutions. He ensures our clients have secure and round-the-clock access to our multiple testing platforms.
RANDY TOYE
SOFTWARE DEVELOPMENT & IT SUPPORT
Randy assists with the development and support of SIGMA’s software, fax scoring, and web applications as part of the development team. He also provides support for internal systems and assists with customer support on technical issues.

SHARON VAN DUYNHOVEN
OFFICE MANAGER

Sharon brings our tests and assessments from the development stage to marketable product. She ensures quality control at every step of a project, edits technical documents and manuals, and artistically enhances reports and resources. She also manages contracts with clients across the globe and answers technical questions.
LAURI CAMERON
CSR/OFFICE ASSISTANT
Lauri is a key member of our administrative team. She is a first point of contact for client inquiries, and expertly manages our customer journey. Lauri specializes in SIGMA’s testing and assessment services, and is always available to support clients with questions as they use our products and navigate our online platform.

DONNIA BURTON
CSR/OFFICE ASSISTANT

Donnia is the newest member of our administrative team. She helps to ensure that SIGMA’s office runs smoothly, and supports customers on their client journey from beginning to end. Donnia also supports SIGMA’s testing and assessment services, providing everyone with the tools and information they need. Donnia is always available to support clients with questions as they use our products and navigate our online platform.
RUBY NADLER, Ph.D.
LEADERSHIP CONSULTANT
Ruby has a Ph.D in Cognition and Perception and brings this expertise to SIGMA’s executive coaching programs. She has specific training in mindfulness and positive psychology and uses her knowledge to support leaders to hone critical competencies including judgment and decision-making skills, interpersonal skills and emotional intelligence, and stress reduction. In 2015 she was awarded a two-year Ontario Centers of Excellence TalentEdge Fellowship to create a mindful leadership training program. Ruby is also a 250-hour certified Yoga Educator. Her research has been featured by CBC and BBC Radio, Happify, and NPR, amongst others.

ERICA SUTHERLAND, Ph.D.
SENIOR CONSULTANT & EXECUTIVE COACH

Erica completed her Ph.D. in Industrial-Organizational psychology at Western University. She is a Senior Consultant at SIGMA, where she delivers consulting services and Succession Planning solutions to clients. As a member of SIGMA’s executive coaching team, Erica works one-on-one with leaders to develop talent. She also brings her expertise in measurement and psychometrics to the R&D team, assisting with the development and validation of SIGMA’s many assessments.
BRITTNEY ANDERSON, Ph.D.
SENIOR CONSULTANT & EXECUTIVE COACH
Brittney is a member of our coaching and consulting team. She brings her expertise in evidence-based practice to provide companies with leadership solutions that meet their needs. Primarily, Brittney helps her clients prepare for their future with succession planning and comprehensive leadership development programs. As an executive coach, she helps leaders hone their skills using a process-based approach to development.

LAURA JOHNSON, MSc
RESEARCH & DEVELOPMENT ANALYST

Laura is pursuing her PhD in Psychology (Personality & Measurement) at Western University. As part of SIGMA’s Research & Development team, she applies her expertise in test construction, psychometrics, and personality traits to optimize SIGMA’s assessment offerings. With her secondary background in French linguistics, Laura also supports SIGMA’s translation projects.
ALICE TJIU, MASc
SENIOR RESEARCH ASSOCIATE
Alice combines her background in industrial/organizational psychology with design skills to develop and renew SIGMA’s reports and resources. She organizes and presents information in a way that makes products more aesthetic, intuitive, and transparent.

ARIEANA THOMPSON, Ph.D.
SENIOR CONSULTANT

Arieana is a senior leadership consultant. She believes in positively transforming the modern-day workplace through thought-provoking, evidence-based insights. Arieana is a subject matter expert in executive leadership, succession management, wellness cultures, and employee growth. In her work at SIGMA, she supports executive teams with succession planning and leadership development and assessment.
CALLUM HUGHSON
MANAGING EDITOR
Callum is a member of the marketing team and utilizes his communications, marketing, and leadership development experience to create engaging and informative web content for a professional audience. A detailed editor and collaborator, Callum works with SIGMA’s coaches and consultants to deliver evidence-based thought leadership in the area of talent development.

HELEN SCHROEDER
MARKETING COORDINATOR

Helen completed a dual degree with Ivey Business School’s HBA program and Western University’s Honours Specialization in Psychology. As a Marketing Coordinator and Consultant she creates and manages content for SIGMA’s webpages, blogs, and coaching resources. Helen also assists in new product development, go-to-market strategy, and client consultation.
ANITA FEHER
RESEARCH & DEVELOPMENT INTERN
Anita is pursuing her PhD in Psychology (Personality and Measurement) at Western University. She specializes in conflict management, emotional intelligence, personality, psychometrics, mixed methods research, and test construction. She also has experience teaching at the university level. At SIGMA, Anita brings her background in academia and test construction to our Research and Development team, helping to validate leadership models and create science-backed content.

HITEN DAVE
RESEARCH & DEVELOPMENT INTERN

Hiten is a PhD candidate in Personality and Measurement at Western University. His research portfolio includes psychometrics, test construction, emotional intelligence, and various other individual difference factors implicated in educational and vocational success. He has also taught various undergraduate courses at the university. At SIGMA, Hiten brings his knowledge of evidence-based practices to his role on the Research and Development team, specializing in assessment validation and technical documentation.
SHRUTI KUMAR
RESEARCH & DEVELOPMENT INTERN
Shruti is pursuing her PhD in Industrial/Organizational Psychology at Western University. Her areas of research expertise include performance management, work design, and equity and inclusion. At SIGMA, Shruti applies her expertise to develop evidence-based content on organizational best practices.

LEONID BELETSKI
RESEARCH & DEVELOPMENT INTERN

Leonid is pursuing his PhD in Industrial/Organizational Psychology at Western University. His research is primarily focused on investigating factors that contribute to optimal work motivation, wellbeing, and performance. He also maintains interests in psychometric assessment and personality. At SIGMA, Leonid applies his expertise to supporting the consulting team with succession planning as well as talent and leadership development.
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.