Tan Ann
Chief Executive at Zuellig Pharma Singapore
Singapore
Summary
🤩
Rockstar🎓
Top SchoolTan Ann is a commercially astute executive with nearly three decades of finance and commercial leadership experience, currently serving as Chief Executive at Zuellig Pharma Singapore. He built his career through progressive roles—Finance Director, COO and now CEO—driving working capital and process-excellence programs that materially improved operational performance. Known for strong negotiation skills and team leadership, he has led major contract renewals and cross-functional initiatives across healthcare and consumer sectors. Unusually for a senior executive, he also contributes to open-source software as a back-end developer, fixing orchestration bugs and improving monitoring in the popular Apache DolphinScheduler project, reflecting a hands-on, technically curious mindset. Educated in accountancy at Nanyang Technological University, he blends rigorous financial discipline with practical engineering appreciation to translate complex challenges into executable strategies.
6 years of coding experience
11 years of employment as a software developer
Bachelor of Accountancy, Bachelor of Accountancy at Nanyang Technological University Singapore
Chinese
Github Skills (15)
sh10
javas10
script10
orchestration10
workflow-engine10
shell10
orchestra10
data-pipelines10
data-pipeline10
scripting10
java10
job-scheduler10
h28
mysql8
postgresql8
Programming languages (1)
Github contributions (5)
apache/dolphinscheduler
Aug 2022 - Dec 2022
Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code
Role in this project:
Back-end Developer
Back-end DeveloperContributions:93 reviews, 32 commits, 45 PRs in 3 months
Contributions summary:Tan primarily contributed to improving the Apache DolphinScheduler data orchestration platform, focusing on bug fixes and enhancements. They addressed status check issues and implemented monitoring support for the H2 database. Furthermore, the user fixed an infinite loop issue in the Master workflow execution and addressed issues related to worker group management. Their work included code modifications in shell scripts, Java classes, and database interaction code.
dependenciesuser-interfacepipelineorchestrationdata-workflow
DarkAssassinator/dolphinscheduler
Aug 2022 - Dec 2022
Apache DolphinScheduler is a distributed and extensible workflow scheduler platform with powerful DAG visual interfaces, dedicated to solving complex job dependencies in the data pipeline and providing various types of jobs available out of box.
Contributions:127 pushes, 46 branches in 3 months
dependenciesdagschedulerjobpipeline
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