San Francisco Bay Area, CA, USA · Global technology leader
At Google, I lead global partner innovation and engagement for YouTube Device Operations & Partner Engineering—bringing engineering teams, open-source communities, and partners together at a global scale.
Current focus
30+
Years in software
11+
Years at Google
6
Years at Samsung
6+
Years at startups
60+
Talks & lectures
3,250+
Open-source commits
Featured conversations
Selected interviews, features, and conversations about engineering, open source, and global leadership.
LinkedIn profileConnect with Daniel on LinkedInOpen link
Book interview · 2024Featured interview in “How to Become a Better Programmer”Open link
YouTube interview · 2023The Twelve Months interviewOpen link
YouTube interview · 2019Interview on Hong Jeong-mo’s YouTube channelOpen link
ZDNet interview · 2018“Coding is communication… Build software skills through open source”Open linkDonation mentoring
I mentor through Donation Mentoring, sharing practical experience with people navigating technology, leadership, and career growth.
A good conversation can change the trajectory
For speaking, mentoring, and thoughtful conversations about technology leadership, reach out or follow the ongoing work.
seojuyung@gmail.comThe archive
Leadership, talks, open-source work, and research—filter the moments or view them as one connected story.
Building at scale
2015-03 — Present
San Francisco Bay Area, California
Senior Staff Partner Engineering Manager · Global Team Manager
Google2009-03 — 2015-03
Suwon, Korea
Senior Software Engineer
Samsung Electronics2000 — 2008
Korea
Web developer and programming team lead
KBN, NiceEye, Ajou4U, DMC, Eif, and AnystudyHelping others grow
2025-10 — Present
Global · Online
Volunteer mentor·donation-mentoring.org
2013-12 — 2014-11
Korea
Technical mentor·National IT Industry Promotion Agency (NIPA)
2013-03 — 2013-10
Korea
Mentor · Excellence Award·Samsung Electronics
2016 — 2017
Korea
Founder and organizer·Google Korea
Learning in public
2011-02 — Present
Global
Official committer, release manager, and community leader·Enlightenment Project
2012 — Present
Global
Contributor and technical advocate·Tizen Project
2010 — Present
Global
Organizer, translator, contributor, and advisor·EFL Korea, GNOME Asia, Mozilla, Bodhi Linux, IoTcubeCon, and others
Ideas in print
2013-05 — 2014-02
Publication
Magazine series author·Embedded World
2012-07 — 2012-11
Publication
Contributing author·Micro Software magazine
2009-02
Suwon, Korea
Master’s thesis·Ajou University
2008
Korea
Co-author·Mobile ad hoc network security research
2007-11
International conference
Co-author·ICCIT 2007
Recognition along the way
2013
Korea
Award recipient as mentor·Samsung Electronics
2009
Korea
Champion·Samsung Electronics SPACE
2009-02
Korea
Trainee council president and award recipient·Samsung Group
A foundation in computing
2007 — 2008
Suwon, Korea
Graduate student·Ajou University
2006
Stony Brook, New York
Exchange student·State University of New York at Stony Brook
1999 — 2006
Suwon, Korea
Undergraduate student·Ajou University
1996 — 1998
Suwon, Korea
Student · Hyemang Science Club·Changhyun High School
Sharing what works
46+
Talks, lectures & presentations
7+
Interviews & media
5+
Panels & roundtables
2+
Mentoring sessions
2026
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Aug 25 — ‘AI-centered work’ lecture for POSCO International employees
Jul 28 — ‘How to build a career in the AI era’ for the Global Software Education Program
Apr 22 — Lightning talk for Samsung Research Display Innovation Lab
Feb 19 and Feb 16 — Two career and startup mentoring sessions for the 16th SW Maestro cohort
Jan 25 — Panelist, ‘Working wisely: Big Tech,’ BayAreaKGroup Young Professional Network
Jan 6 — Panelist, Digital Youth Talent Talk Concert at CES 2026, hosted by MSIT and IITP
2025
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Sep 8 — Welcome address for Google Campus Outreach at Ajou University
Jul 29 — ‘Becoming a global team leader in Silicon Valley,’ KIC Silicon Valley and Soongsil Spartan SW
May 24 — Ringle webinar, ‘How a Korea-trained developer became a YouTube engineering manager’
May 16 — Korean-American researcher roundtable with MSIT, ETRI, and NIPA
Mar — Filmed an internal LG Group documentary
Jan 27 — Career and startup mentoring for the 15th SW Maestro cohort
Jan 10 — ICT Mentoring roundtable at Google Silicon Valley
2024
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Apr 30 — Special interview in How to Become a Better Programmer
A long-form conversation about technical growth and leading across cultures.
Apr 27 — Ringle Career Up webinar, ‘From struggling with English to leading a global Google team in Silicon Valley’
Apr 23 — ‘NFL Sunday Ticket,’ YouTube Partner Summit 2024 in Seoul
2023
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Jul 26 — ‘From computer science student to global team leader in Silicon Valley,’ KIC Silicon Valley and Soongsil Spartan SW
Jun 13 — Ajou University software career seminar
Apr 28 — ‘Collaborations on Industry Innovations,’ YouTube Device Partner Summit 2023 at COEX
Apr 13 — Industry lecture at Kookmin University
2022
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Dec 23 — ‘The Samsung and Google cultures I experienced,’ Samsung SWITCH seminar
Oct — Samsung Electronics Gen Z Lab interview
Aug 6 — Speaker and panelist, Ringle Meetup at San Mateo
May 19 — ‘Technical Requirements Overview,’ YouTube Device Partner Summit at YouTube headquarters
Mar — Korea Daily Times interview
Jan — Featured in Ringle’s video on learning English at Google
2021
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Aug 25 — ‘From a child who loved coding to an engineering manager in Silicon Valley,’ Republic of Korea Army V Corps seminar
2020
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Nov 30 — Keynote, ‘Open source and the developer’s career,’ 2020 Open Source Software Festival
Jun 19 — Ringle Career Talk for developers and UI/UX designers
Jan 25 — ‘From open-source developer to Silicon Valley team lead,’ KIC Silicon Valley and SW Maestro
2019
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Jul 20 — Guest interview on Hong Jeong-mo’s YouTube channel
A three-part conversation about Google, career transitions, and learning English.
Jul 19 — ‘An open-source developer’s path to Silicon Valley,’ KIC Silicon Valley Spartan SW
2018
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Nov 6 — ZDNet interview on coding, communication, and open source
An interview on how public collaboration sharpens practical software skills.
Oct 12 — ‘Open source and the software engineer,’ Kyung Hee University technology colloquium
2017
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Nov 17 and Nov 10 — ‘Give your university life wings with open source,’ Chung-Ang and Kwangwoon Universities
Sep 20 and May 29 — Open-source lectures at Myongji and Kyung Hee Universities
Jul 1 — ‘Open source and code review,’ OSS Developers Forum
Feb 7 — ‘Patching open-source security vulnerabilities with IoTcube,’ IoTcubeCon
2016
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Nov — Open-source lectures at Kyung Hee, Myongji, and Ajou Universities, plus GDG DevFest Seoul
Oct — ‘Developer self-development through open source,’ OSS Developers Forum
Jul–Sep — Internal coding course for non-engineers at Google Korea
Jun 20 — ‘Contributing to Enlightenment Foundation Libraries,’ KRnet 2016
Mar 30 — ‘Security and the software engineer,’ Ajou University
2015
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Dec–Feb 2016 — Internal coding course for non-engineers at Google Korea
Dec 5 — ‘Growing into a global software engineer,’ Ajou Greative Software Concert
Nov 19 — ‘Google culture and Googlers,’ Chungbuk National University
Oct 28 — ‘How a 16-year-old EFL project is managed and released,’ SOSCON
Aug 13 — ‘Living well as a developer,’ OSS Developers Forum and Kookmin University summer camp
Jan 14 — ‘Tizen App Development,’ Samsung Z1 launch partner event in Bangalore
2014
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Dec — Tizen webinar ‘Native UI Application Development’ and Developer Day EFL Korea presentation
Nov — Tizen/EFL online course, Korea Community Day, and Korea LUG seminar
Sep–Oct — EFL Korea Seminar, Samsung Software Membership, and internal open-source talks
Jul 23 and Jun 3 — ‘The Art of Tizen UI Theme Technology’ at OSCON Portland and Tizen Developer Conference San Francisco
Jun 28 — ‘Open source and English,’ OSS Developers Forum
Feb–Apr — EFL code review, Open Source Fundamentals, and Web OS public seminar talks
2013
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Jun and Mar — Tizen UIFW EFL Development courses at Samsung Electronics
May 11 — Organized EFL Korean Seminar 2013 and presented the community session
Feb — EFL use-case talk in Samsung Open Source Fundamentals
2012
Various locations
Speaker, panelist, and mentor·Selected public and industry events
Oct — Daum DevOn ‘Building rich, lightweight, fast apps with EFL’ and Samsung Open Source Contributor Day
Aug — ‘Enlightenment,’ GNOME Korea meetup