Ceo & Cofounder
Current
Aug 2018 - Present
AeroLeads people directory · profile
Jong-Kai Yang Email & Phone Number
CEO & Cofounder at HackMD
at
HackMD
1 work email found
@hackmd.io
1 phone found area 415
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Who is Jong-Kai Yang? Overview
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Quick answer
Jong-Kai Yang is listed as CEO & Cofounder at HackMD at HackMD, based in Berkeley, California, United States. AeroLeads shows a work email signal at hackmd.io, phone signal with area code 415, and a matched LinkedIn profile for Jong-Kai Yang.
Jong-Kai Yang previously worked as CEO & Cofounder at Hackmd and Security Engineer at Yelp. Jong-Kai Yang holds Master’S Degree, Computer/Information Technology Administration And Management from Uc Berkeley School Of Information.
Company email context
Email format at HackMD
This section adds company-level context without repeating Jong-Kai Yang's masked contact details.
{first_initial}{last}@hackmd.io
76% confidence
AeroLeads found 1 current-domain work email signal for Jong-Kai Yang. Compare company email patterns before reaching out.
Profile bio
About Jong-Kai Yang
Passionate about solving problems that matter to people. Web development, Android development, Machine Learning, Visualization, Biosensors, and User Experience Research are the tools I find handy. Have an analytical mindset and business acumen as a previous investment banker, while knowing how best to complement and lead a project team from different roles.
Listed skills include Data Analysis, Python, Product Management, Financial Modeling, and 40 others.
Current workplace
Jong-Kai Yang's current company
Company context helps verify the profile and gives searchers a useful next step.
8 roles
Jong-Kai Yang work experience
A career timeline built from the work history available for this profile.
Security Engineer
Jul 2017 - Aug 2018
Graduate Student Researcher
- Develop software tools for research data processing (Climate Commander)
- Develop a Django web server (full stack) for researchers to create computational jobs. The server will then dispatch jobs to different remote server clusters based on the completeness of dataset needed in the job and.
Jun 2016 - May 2017
Graduate Student Researcher
- Develop a machine learning software, “Machine Authenticator”, which uses linear classifiers (SVM) to authenticate users's Electroencephalograph (EEG) signal
- Collect user’s EEG (brainwave) signals from a NodeJS web server, Psychopy, and Neurosky Mindwave
- Design experiments to test hypotheses
- Achieve > 80% accuracy
Aug 2015 - May 2016
Equity Analyst
- Pitch investment view to institutional investors
- Build financial forecast models with consideration given to different scenarios
- Write research reports and news comments on industry trends and company fundamental value
- Initiate: WPG holdings, Unimicron, Tripod, Chipbond, Holtek
- Coverage includes: IC design, OSAT, PCB & substrates
Oct 2012 - Mar 2014
Research Associate
- Pitch investment view to institutional investors
- Write research reports and news comment
- Build and update earnings forecast models, reply client requests, and maintain databases
- Initiate: Simplo, GTech
- Coverage: TFT-LCD supply chain (panels, backlight units, touch panels, cover glasses)
Dec 2011 - Sep 2012
Associate Analyst
- Recommend stock based on fundamental research to fund manager
- Build and update earning models of coverage to reflect economic events, news, and view changes
- Coverage (30+ companies): handset equipment & components (Touch panel, BLU, optical & casing), PCB, IC substrate, FPCB, LED(epiwafer & packaging), and networking
Dec 2010 - Nov 2011
Proprietary Futures Trader
Polaris Mf Global Futures
- Traded TaiEx futures discretionarily, 13.6% return in 5 months
- Lead a team of 4 to create the SOP for a new fund of funds business initiative, including due diligence, selection criteria and setup the database of managed futures funds (CTAs)
- Develop quantitative dynamic asset allocation process
- Assist in pitching fund of CTA funds product to institutional clients
Sep 2009 - Nov 2010
2 education records
Jong-Kai Yang education
Master’S Degree, Computer/Information Technology Administration And Management
Uc Berkeley School Of Information
Bachelor, Finance
National Taiwan University
FAQ
Frequently asked questions about Jong-Kai Yang
Quick answers generated from the profile data available on this page.
What company does Jong-Kai Yang work for?
Jong-Kai Yang works for HackMD.
What is Jong-Kai Yang's role at HackMD?
Jong-Kai Yang is listed as CEO & Cofounder at HackMD at HackMD.
What is Jong-Kai Yang's email address?
AeroLeads has found 1 work email signal at @hackmd.io for Jong-Kai Yang at HackMD.
What is Jong-Kai Yang's phone number?
AeroLeads has found 1 phone signal(s) with area code 415 for Jong-Kai Yang at HackMD.
Where is Jong-Kai Yang based?
Jong-Kai Yang is based in Berkeley, California, United States while working with HackMD.
What companies has Jong-Kai Yang worked for?
Jong-Kai Yang has worked for Hackmd, Yelp, Uc Berkeley Goldman School Of Public Policy, Uc Berkeley School Of Information, and Cimb.
How can I contact Jong-Kai Yang?
You can use AeroLeads to view verified contact signals for Jong-Kai Yang at HackMD, including work email, phone, and LinkedIn data when available.
What schools did Jong-Kai Yang attend?
Jong-Kai Yang holds Master’S Degree, Computer/Information Technology Administration And Management from Uc Berkeley School Of Information.
What skills is Jong-Kai Yang known for?
Jong-Kai Yang is listed with skills including Data Analysis, Python, Product Management, Financial Modeling, Data Visualization, Valuation, Machine Learning, and User Experience.
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