Mariam Van Tonder in

Mariam Van Tonder

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Commercial Manager - Business Development at Worley
📍 City of Johannesburg, Gauteng, South Africa

Mariam Van Tonder is a Commercial Manager in Business Development at Worley, specializing in analyzing bid documents and mitigating commercial risk. Her background includes roles as a Proposal Cost Estimator and Senior Bookkeeper, underpinned by an education in Technical Financial Accounting from Boston Business College.

Based on her interests, Mariam appears to value efficiency and social impact, showing an interest in companies like Hungry Harvest, which focuses on reducing food waste. A shared post suggests she values finding importance in things or people that may be overlooked.

She has a unique career path, transitioning from foundational accounting roles into a strategic commercial and business development position.

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Experience
22 Years
Current Role
Commercial Manager - Business Development
Job Level
Middle
Location
City of Johannesburg, Gauteng, South Africa
Personality Overview

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Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Mariam cares about

Commercial Risk
Her primary role involves identifying factors that impact commercial activity, pricing risk, and providing mitigation strategies to reduce project write-offs.
Proposal Development
She provides crucial support for business development by handling financial inputs, pricing, and evaluating contract terms for proposals.
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Career

Work history

12-2020
Commercial Manager - Business Development
Worley
1-2012 - 12-2020
Proposal Cost Estimator
Worley
4-2008 - 1-2012
Senior Bookkeeper
TWP Projects
1-2003 - 3-2008
Creditors Supervisor
Webber Wentzel
In the press

Media appearances

No media yetWe could not find public media appearances for this person.
Education
2009 - 2011
Technical Financial Accountant ICBA
Boston Business College
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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