Tinus W, Principal Data Scientist / Tech Lead, Growth at Atlassian

Tinus W

Principal Data Scientist / Tech Lead, Growth at Atlassian | Sydney, New South Wales, Australia

Profile last verified May 2026
Computer Software Verified Profile Sydney, New South Wales, Australia University of Pretoria
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Marthinus Willemse serves as a Principal Data Scientist and Tech Lead directing the Growth division at Atlassian, a computer software firm supporting over 300,000 global organizations. Based in Sydney, New South Wales, he manages technical teams and leverages advanced analytics to drive product adoption and scalable business expansion. He completed his academic training at the University of Pretoria prior to leading data science initiatives that align machine learning systems with corporate growth targets.

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Tinus W Socials
Tinus W Work Experience

Principal Data Scientist / Tech Lead, Growth at Atlassian in October 2024 - Present

Principal Data Scientist, Engineering Systems and Platforms at Atlassian in November 2022 - September 2024

Lead Data Scientist at Quantium in August 2022 - November 2022

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Senior Software Engineer at Quantium in July 2021 - August 2022

Senior Data Scientist at Quantium in July 2017 - April 2021

Senior Analyst at Liberty Group South Africa in July 2015 - June 2017

Engineer at Gendac Software Engineering (Pty) Ltd. in August 2014 - June 2015

Electronic Engineer at Projects in January 2011 - June 2015

Electronic Design Engineer at Mernok Elektronik in November 2013 - July 2014

Junior Engineer at Denel Dynamics in January 2012 - March 2013

Engineer-in-Training at Denel Dynamics in January 2011 - December 2011

Student (vacation worker) at DETEK in December 2009 - January 2010

Student (vacation worker) at Denel Dynamics in December 2008 - January 2009

Tinus W Education

University of Pretoria, B.Eng (Hons), June 2026

University of Pretoria, B.Eng, June 2026

Hoërskool Eldoraigne, June 2026

Tinus W Skills
Machine Learning Data Analytics Programming Statistics Electronics Testing Signal Processing PCB Design Sensors Simulations Digital Electronics SQL Python C C++ Matlab Embedded Systems Embedded Software Firmware VHDL Data Science Electronic Engineering Hardware Development Altium Designer Apache Spark
About Tinus W’s Current Company
Atlassian

Atlassian powers the collaboration that helps teams accomplish what would otherwise be impossible alone. From space missions and motor racing to bugs in code and IT requests, no task is too large or too small with the right team, the right tools, and the right practices. Over 300,000 global companies and 80% of the Fortune 500 rely on Atlassian’s software, like Jira, Confluence, Loom, and Trello, to help their teams work better together and deliver quality results on time. With our 300,000+ customers and team of 10,000+ Atlassians, we are building the next generation of team collaboration and productivity software. We believe the power of teams has the potential to change the world — one that is more open, authentic, and inclusive.

Discover more about Atlassian
Tinus W’s Colleagues
Sachin Sukhlecha

Sachin Sukhlecha

Pune, Maharashtra, India

Senior Backend Engineer | System Design | Building Scalable Systems. Leading with Clarity. Mentoring with Purpose. | Java | Spring | Kafka

Senior Software Engineer at Atlassian
(August 2025 – Present)

Christian Lough

Christian Lough

Chicago, Illinois, United States

Enterprise Sales Development Representative | Atlassian

Sales Development Representative at Atlassian
(June 2025 – Present)

Pat Deely

Pat Deely

San Francisco Bay Area

Sales at Atlassian

Sales Development Representative, Mid Market at Atlassian
(October 2024 – Present)

Kartik Kalaghatgi

Kartik Kalaghatgi

Bengaluru, Karnataka, India

Working at Atlassian

Senior Software Engineer at Atlassian
(September 2025 – Present)

Lindsay Denmon

Lindsay Denmon

Carrollton, Texas, United States

Talent Partner @ Atlassian (via Talentful)

Talent Partner (via Talentful) at Atlassian
(October 2025 – Present)

Sushmitha Vijayaraghavan

Sushmitha Vijayaraghavan

Bengaluru, Karnataka, India

Solution Engineering at Atlassian | Ex-Salesforce

Solutions Specialist || PAN India at Atlassian
(October 2025 – Present)

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Frequently asked questions about Tinus W

What is Tinus W email address?

Email Tinus W at [email protected] and [email protected]. This email is the most updated Tinus W's email found in 2026.

What is Tinus W phone number?

Tinus W phone number is +10833603608.

How to contact Tinus W?

To contact Tinus W send an email to [email protected] or [email protected]. If you want to call Tinus W try calling on +10833603608. (updated on December 08, 2025)

What company does Tinus W work for?

Tinus W works for Atlassian.

What is Tinus W's role at Atlassian?

Tinus W is Principal Data Scientist / Tech Lead, Growth

What industry does Tinus W work in?

Tinus W works in the Computer Software industry.

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