Team Det’on Cho

Our team is the heart of our operations and our success! We have a talented group of team members who achieve great things together.

Executive Team

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President&CEO

Mark joined Det’on Cho in 2019 as Chief Financial Officer, became Chief Operating Officer in 2022, and was appointed President and CEO in 2023.

His focus has been on driving operational excellence, strengthening internal systems, and leading strategic investments to grow and diversify the company’s business interests.

Over 15 years in the North, Mark gained extensive leadership experience in finance and accounting with a local airline, a diamond mine, and a regional accounting firm. He has also audited non-profit, government, and private organizations. Mark serves as Treasurer of the NWT and Nunavut Construction Association.

He lives in Yellowknife with his family and enjoys cycling, golfing, running, and exploring the outdoors.

Mark Lewis

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Rebecca Connelly

Chief Strategy & Engagement Officer

Rebecca Connelly is the Chief Strategy and Engagement Officer for the Det’on Cho Group of Companies, where she provides executive leadership for corporate strategy, marketing and communications, and community engagement.

Joining the organization in 2022, Rebecca is focused on driving sustainable growth, portfolio diversification, and market positioning, while also building deep partnerships across industry, government, Indigenous groups, and communities.

Rebecca is proud to call Yellowknife home, where she also serves as the First Vice President of the Yellowknife Chamber of Commerce and sits on the Yellowknife Airport Economic Advisory Committee.

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Chief People Officer

Noma Mangena is Vice President of People at Det’on Cho Management LP, joining in January 2024.

Passionate about diversity and inclusion, employment equity, and empowering others, she mentors individuals to recognize their strengths and reach their goals. As a new immigrant, Noma began working in retail and security before earning a Business Administration and Human Resources diploma from Centennial College.

A conversation about Canada’s oil sands inspired her move to Fort McMurray, where she launched her HR career. She later held HR leadership roles in health, oil, and Indigenous sectors. Noma also holds a degree from Athabasca University and an MBA.

Noma Mangena

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Amy Burt

Jennifer Burry

Chief Financial Officer

Amy is a Chartered Professional Accountant (CPA) with a Bachelor of Commerce degree from Dalhousie University.

She brings extensive experience in financial reporting, project accounting, and daily financial operations, having led teams across various industries. Originally from Prince Edward Island, Amy has called the Northwest Territories home for several years. Her career includes roles in both government and public accounting sectors.

Beyond her professional work, Amy is active in the community and serves as Treasurer for the NWT Soccer Association. She is committed to supporting financial excellence and contributing to the growth of organizations in the North.

Chief Operating Officer

In her role at Det’on Cho Management LP, Jennifer provides strategic leadership, operational direction, and performance oversight across its business units. She works closely with subsidiary general managers and directors to improve operations, strengthen client and partner relationships, and support sustainable growth.

Born and raised in Yellowknife, Jennifer has deep family roots in aviation and logistics. She brings 23 years of management experience, primarily in Northern Canada, and has built strong relationships across the mineral exploration, oil and gas, utilities, and government sectors.

Jennifer has also worked closely with Indigenous partnerships across the Northwest Territories, Nunavut, and British Columbia. Her northern experience gives her a strong understanding of the challenges and opportunities facing businesses in the region.

Senior Management

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Ivania Carballo-Hinchey

Marketing & Communications Manager

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Jan Ten-Wolde

Project Manager

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Lesley Ann Evans

Human Resources Manager

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Michelle Demeule-Sproule

Finance Manager

Jake Burnell

Corporate Development Director

Clayton Thompson

Vice President, Operations

Management Team

Jannell Beadle

Human Resources Director

Team Members

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Alex Beaudin

Marketing and Communications Advisor

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Ashley Tatsiechele

HR Coordinator, Recruitment

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Brandon Etsemba Sangris

Benefit & Pension Administrator

Candice Crookedhand

Marketing and Communications Coordinator

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Caroline Sanderson

Office Coordinator

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Devin Vogel

Marketing and Communications Assistant

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Julie Jeffery

Staff Accountant

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Kem Tacastacas

Data Entry Clerk

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Lusinne Balasanyan

Payroll & Benefits Administrator

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Preston Sabourin

Maintenance Helper

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Rosanna Sangris

Data Entry Clerk

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Vern Evans

Maintenance Lead

Vincent Kollannoor

Senior Finance Administrator

Daniela Tapia-Jimenez

Executive Assistant

Nora Taylor

Human Resources Business Partner