Alex Fan
Sales Specialist at Crownstone Equipment
Ephrata, Pennsylvania, United States
Summary
🤩
RockstarAlex Fan is a sales specialist with 12 years of professional experience based in Ephrata, Pennsylvania, who brings a rare blend of technical hands-on contributions and customer-facing expertise. While focused on sales at Crownstone Equipment since 2018, he has a strong open-source engineering background, contributing full-stack fixes and UX improvements to notable visualization projects like vis.js and vis-timeline. His contributions include refactoring, edge and node rendering fixes, and enhancing event handling and styling—work that improves complex data visualization reliability and usability. That combination lets him translate technical constraints into clear value propositions for customers and partners. Colleagues can rely on him to bridge product, engineering, and sales conversations with practical solutions grounded in real code-level experience.
12 years of coding experience
Stackoverflow
559reputation
29kreached
13answers
0questions
Github Skills (22)
data-visualizations10
javascript10
visualization10
network-visualization10
data-visualisation10
object-oriented-programming10
front-end-development10
data-visualization10
visualizations10
data-structure9
user-interface9
ui-design9
graphical-user-interface9
css9
html9
Programming languages (12)
Github contributions (5)
visjs/vis
Jan 2014 - May 2016
⚠️ This project is not maintained anymore! Please go to https://github.com/visjs
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1060 commits, 65 PRs, 598 pushes in 2 years 4 months
Contributions summary:Alex was responsible for refactoring the code and fixing issues related to the rendering of edges, node and edge selection, and cluster layout. They focused on improving the user experience for the visualization by addressing bugs in the drag and drop and selection features. They also improved the visual presentation by adding a border for the shapes, fixed bugs where the values for edge properties, and re-evaluating how the global options apply to various components, suggesting a wide involvement across both frontend and backend logic.
govisjs
visjs/vis-timeline
Jan 2014 - May 2016
📅 Create a fully customizable, interactive timelines and 2d-graphs with items and ranges.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:802 commits in 2 years 4 months
Contributions summary:Alex primarily focused on front-end development, with commits involving refactoring and renaming of functions, updating documentation, and adding new features related to event handling and styling. Additionally, they contributed to the core functionality of the network visualization library, demonstrating their ability to implement UI components. Their work included various bug fixes across multiple components and examples.
timelinechart2d-graphscustomizablegraphs
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