LinkedInJerry Luk

Jerry Luk

Entrepreneur, Co-Founder, Engineer

San Francisco Bay Area
Computer Software
  1. Edmodo
  1. Presdo,
  2. LinkedIn,
  3. Berkeley Computer Animation & Modelling Group
  1. University of California, Berkeley
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Director of Engineering

– Present

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My goal is to build a successful company with a great product that is fun, powerful and easy to use.

I come from computer science research background with focus on Artificial Intelligence, Wireless Sensors Network and Computer Graphics.

I deferred my Computer Graphics PhD. program from Cornell and worked at LinkedIn. At LinkedIn, I built the LinkedIn Firefox toolbar; I brought in new technology and built a rapid development team; I led and architect LinkedIn Mobile and more.

I then co-found Presdo and built a social networking product for events and trade shows used by hundreds of thousands of users, all by without raising VC funding.

I build stuffs, I have a lot of energy, and I am not afraid to start from beginning.

Specialties: Entrepreneurship, Startups, Product Development, User Experience, Mobile, Customer-driven development


Director of Engineering

– Present (1 year 4 months)San Mateo, CA

In high level, I do the following:
- Build engineering team and culture focusing on innovations and creativity.
- Lead multiple end-to-end projects across different teams.
- Work with engineering teams and architects to establish roadmaps, design and implement solutions.
- Research and develop emerging technologies.
- Deliver technical presentations and introduce agile development methodology

The projects that I have been working on:
- Designed and implemented the first release of Edmodo Snapshot, a common-core assessment tool that helps Edmodo to collect learning measurements.
- Worked with architect to design and implement the new service oriented Edmodo backend using Google Go and Ruby on Rails.
- Led the team to launch Edmodo Snapshot for school, Edmodo's first shot to monetization.
- Hacked a new client-side framework to work with OAuth2 APIs using backbone.js.
- Manage and restructure engineering teams from functional teams into product teams which is independent and can achieve more with less resources.
- Developed deploy scripts using Capistrano to deploy applications written in Rails, Node.js, and Go on AWS.
- Built a webpage capture service to save operational cost.
- Built a transactional email delivery service which stops trapping emails in source code and supports real-time tracking.
- Lead the mobile team to develop new mobile-first application.

Co-Founder and CTO

(4 years)Mountain View, CA

Founded in 2007 by a team from LinkedIn, Presdo Inc.’s mission is to increase the value of social networks through face-to-face and real-time interactions.

From engineering to product to hiring, I do what it takes to make Presdo a successful company.

- Designed and led the engineering team to build Presdo Match, a social network product for people to discover and make connections at the event.
- Responsible for talent acquisition and hiring across the Presdo engineering organization
- Managed and deployed cloud services using OpenStack.
- Worked on key strategy to focus on great products and innovation.
- Responsible for the development of Presdo scheduler product, which is being used as the scheduling engine for Presdo Match.

Senior Software Engineer

(4 years 5 months)Mountain View, CA

Team Lead and Architect for LinkedIn Mobile:
- Responsible for the creation, development and execution for LinkedIn Mobile.
- Architected and implemented the LinkedIn Mobile backend using Ruby on Rails which serves millions of users.
- Led the team to develop LinkedIn native application for iOS and mobile Web.
- Worked with Apple to promote the LinkedIn app.

Hacker at LED team
- Using RoR, Google Maps APIs and LinkedIn RESTful services to implement NewIn, an application that display newly joined LinkedIn members in real time.
- Prototyped a facebook application to suggest people you may connect

Representative for RESTful service at LinkedIn 2.0 project
- Ensure the next generation architecture supports heterogeneous frameworks and technology
- Provide advices on using RESTful services and memcache

LinkedIn Project
- Brought Ruby on Rails technology to LinkedIn
- "Project" enables users to automatically save LinkedIn searches, organize profiles into projects, and add comments or tags to profiles
- Designed the architecture that includes a server component of Ruby on Rails and client component of XUL and Javascript for Firefox and C++ for IE

LinkedIn Companion for Firefox
- Responsible for the creation, development and execution for LinkedIn Firefox Toolbar.
- Implemented web-mail infobox which allows users to see LinkedIn profiles

Outlook Toolbar
- Designed and implemented algorithm and datastructure for the Dashboard function
- Optimized program performance (improved startup/shutdown time from 90 secs to 5 secs)

Student Researcher

Berkeley Computer Animation & Modelling Group
(6 months)

- Designed and implemented footskate cleanup for motion synthesis
- Implemented Inverse Kinematics functions

Student Researcher

(1 year 2 months)

- Designed and implemented fall detection and localization using Wireless Sensor Networks
- Wrote accelerometer, light intensity and temperature sensors drivers


  1. English

    Native or bilingual proficiency
  2. Chinese

    Native or bilingual proficiency
  3. Cantonese

    Native or bilingual proficiency


  • Start-ups
  • Product Development
  • User Experience
  • Entrepreneurship
  • Ruby on Rails
  • iOS development
  • Java
  • Objective-C
  • APIs
  • Business Strategy
  • Product Management
  • Product Design
  • Talent Management
  • Mobile Applications
  • Distributed Systems
  • Ruby
  • Mobile Devices
  • REST
  • Cloud Computing
  • Agile Methodologies
  • PHP
  • JavaScript
  • Awesomeness
  • General Awesomeness
  • See 9+  See less


University of California, Berkeley

B.S. (High Honors), Electrical Engineering and Computer Science

- Computer Graphics - Ray Tracer with 18 features, Interactive Deformation using Modal Analysis
- Human-Computer Interaction - Senior Online Center
- Artificial Intelligence - Hand-written Digits Recognizer using image congealing
- Languages & Compilers - Decaf (Java-like language) Compiler
- Database System - Online Bookstore using PHP, PostgreSQL Buffer Manager
- Machine Structure - Lisp Interpreter, MIPS Hardware Simulator

* see projects at

Activities and Societies: Eta Kappa Nu, Phi Theta Kappa, Golden Key

Honors & Awards

UC Berkeley EECS High Honors, 2004

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