Daniel Juyung Seo.

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.

Connect on LinkedIn

Current focus

  • Partner innovation
  • Engineering leadership
  • Open-source communities

30+

Years in software

11+

Years at Google

6

Years at Samsung

6+

Years at startups

3,250+

Open-source commits

Talks, lectures & presentations
46
Interviews & media
7
Panels & roundtables
5

Featured conversations

Professional portfolio & interviews.

Selected interviews, features, and conversations about engineering, open source, and global leadership.

Portrait of Daniel SeoLinkedIn profileConnect with Daniel on LinkedInOpen linkCover of How to Become a Better ProgrammerBook interview · 2024Featured interview in “How to Become a Better Programmer”Open linkDaniel Seo in The Twelve Months interviewYouTube interview · 2023The Twelve Months interviewOpen linkThumbnail for Daniel Seo’s interview on Hong Jeong-mo’s channelYouTube interview · 2019Interview on Hong Jeong-mo’s YouTube channelOpen linkDaniel Seo during his ZDNet interviewZDNet interview · 2018“Coding is communication… Build software skills through open source”Open link

The archive

A career built in public.

Leadership, talks, open-source work, and research—filter the moments or view them as one connected story.

Building at scale

Career journey

3 entries

2015-03 — Present

San Francisco Bay Area, California

FeaturedCareerLeadership
Google

YouTube Partner Engineering

Senior Staff Partner Engineering Manager · Global Team Manager

2009-03 — 2015-03

Suwon, Korea

CareerOpen sourceLeadership
Samsung Electronics

Software Center · DMC R&D

Senior Software Engineer

2000 — 2008

Korea

CareerLeadership
KBN, NiceEye, Ajou4U, DMC, Eif, and Anystudy

Early web development & programming leadership

Web developer and programming team lead

Sharing what works

Presentations, lectures & interviews

60+ engagements · 15 years

46+

Talks, lectures & presentations

7+

Interviews & media

5+

Panels & roundtables

2+

Mentoring sessions

2026

  1. Aug 25 — ‘AI-centered work’ lecture for POSCO International employees

    LecturePresentationLeadership

  2. Jul 28 — ‘How to build a career in the AI era’ for the Global Software Education Program

    LecturePresentationLeadership

  3. Apr 22 — Lightning talk for Samsung Research Display Innovation Lab

    LecturePresentationLeadership

  4. Feb 19 and Feb 16 — Two career and startup mentoring sessions for the 16th SW Maestro cohort

    LecturePresentationLeadership

  5. Jan 25 — Panelist, ‘Working wisely: Big Tech,’ BayAreaKGroup Young Professional Network

    LecturePresentationLeadership

  6. Jan 6 — Panelist, Digital Youth Talent Talk Concert at CES 2026, hosted by MSIT and IITP

    LecturePresentationLeadership

2025

  1. Sep 8 — Welcome address for Google Campus Outreach at Ajou University

    LecturePresentationLeadership

  2. Jul 29 — ‘Becoming a global team leader in Silicon Valley,’ KIC Silicon Valley and Soongsil Spartan SW

    LecturePresentationLeadership

  3. May 24 — Ringle webinar, ‘How a Korea-trained developer became a YouTube engineering manager’

    LecturePresentationLeadership

  4. May 16 — Korean-American researcher roundtable with MSIT, ETRI, and NIPA

    LecturePresentationLeadership

  5. Mar — Filmed an internal LG Group documentary

    LecturePresentationLeadership

  6. Jan 27 — Career and startup mentoring for the 15th SW Maestro cohort

    LecturePresentationLeadership

  7. Jan 10 — ICT Mentoring roundtable at Google Silicon Valley

    LecturePresentationLeadership

2024

  1. Apr 30 — Special interview in How to Become a Better Programmer

    LecturePresentationLeadership

    A long-form conversation about technical growth and leading across cultures.

    View the book
    Apr 30 — Special interview in How to Become a Better Programmer (1)

  2. Apr 27 — Ringle Career Up webinar, ‘From struggling with English to leading a global Google team in Silicon Valley’

    LecturePresentationLeadership

  3. Apr 23 — ‘NFL Sunday Ticket,’ YouTube Partner Summit 2024 in Seoul

    LecturePresentationLeadership

2023

  1. Jul 26 — ‘From computer science student to global team leader in Silicon Valley,’ KIC Silicon Valley and Soongsil Spartan SW

    LecturePresentationLeadership

  2. Jun 13 — Ajou University software career seminar

    LecturePresentationLeadership

  3. Apr 28 — ‘Collaborations on Industry Innovations,’ YouTube Device Partner Summit 2023 at COEX

    LecturePresentationLeadership

  4. Apr 13 — Industry lecture at Kookmin University

    LecturePresentationLeadership

2022

  1. Dec 23 — ‘The Samsung and Google cultures I experienced,’ Samsung SWITCH seminar

    LecturePresentationLeadership

  2. Oct — Samsung Electronics Gen Z Lab interview

    LecturePresentationLeadership

  3. Aug 6 — Speaker and panelist, Ringle Meetup at San Mateo

    LecturePresentationLeadership

  4. May 19 — ‘Technical Requirements Overview,’ YouTube Device Partner Summit at YouTube headquarters

    LecturePresentationLeadership

  5. Mar — Korea Daily Times interview

    LecturePresentationLeadership

  6. Jan — Featured in Ringle’s video on learning English at Google

    LecturePresentationLeadership
    Watch video

2021

  1. Aug 25 — ‘From a child who loved coding to an engineering manager in Silicon Valley,’ Republic of Korea Army V Corps seminar

    LecturePresentationLeadership

2020

  1. Nov 30 — Keynote, ‘Open source and the developer’s career,’ 2020 Open Source Software Festival

    LecturePresentationLeadership

  2. Jun 19 — Ringle Career Talk for developers and UI/UX designers

    LecturePresentationLeadership

  3. Jan 25 — ‘From open-source developer to Silicon Valley team lead,’ KIC Silicon Valley and SW Maestro

    LecturePresentationLeadership

2019

  1. Jul 20 — Guest interview on Hong Jeong-mo’s YouTube channel

    LecturePresentationLeadership

    A three-part conversation about Google, career transitions, and learning English.

    Full interview Working at Google Learning English
    Jul 20 — Guest interview on Hong Jeong-mo’s YouTube channel (1)

  2. Jul 19 — ‘An open-source developer’s path to Silicon Valley,’ KIC Silicon Valley Spartan SW

    LecturePresentationLeadership

2018

  1. Nov 6 — ZDNet interview on coding, communication, and open source

    LecturePresentationLeadership

    An interview on how public collaboration sharpens practical software skills.

    Read interview
    Nov 6 — ZDNet interview on coding, communication, and open source (1)

  2. Oct 12 — ‘Open source and the software engineer,’ Kyung Hee University technology colloquium

    LecturePresentationLeadership

2017

  1. Nov 17 and Nov 10 — ‘Give your university life wings with open source,’ Chung-Ang and Kwangwoon Universities

    LecturePresentationLeadership

  2. Sep 20 and May 29 — Open-source lectures at Myongji and Kyung Hee Universities

    LecturePresentationLeadership

  3. Jul 1 — ‘Open source and code review,’ OSS Developers Forum

    LecturePresentationLeadership

  4. Feb 7 — ‘Patching open-source security vulnerabilities with IoTcube,’ IoTcubeCon

    LecturePresentationLeadership

2016

  1. Nov — Open-source lectures at Kyung Hee, Myongji, and Ajou Universities, plus GDG DevFest Seoul

    LecturePresentationLeadership

  2. Oct — ‘Developer self-development through open source,’ OSS Developers Forum

    LecturePresentationLeadership

  3. Jul–Sep — Internal coding course for non-engineers at Google Korea

    LecturePresentationLeadership

  4. Jun 20 — ‘Contributing to Enlightenment Foundation Libraries,’ KRnet 2016

    LecturePresentationLeadership

  5. Mar 30 — ‘Security and the software engineer,’ Ajou University

    LecturePresentationLeadership

2015

  1. Dec–Feb 2016 — Internal coding course for non-engineers at Google Korea

    LecturePresentationLeadership

  2. Dec 5 — ‘Growing into a global software engineer,’ Ajou Greative Software Concert

    LecturePresentationLeadership

  3. Nov 19 — ‘Google culture and Googlers,’ Chungbuk National University

    LecturePresentationLeadership

  4. Oct 28 — ‘How a 16-year-old EFL project is managed and released,’ SOSCON

    LecturePresentationLeadership

  5. Aug 13 — ‘Living well as a developer,’ OSS Developers Forum and Kookmin University summer camp

    LecturePresentationLeadership

  6. Jan 14 — ‘Tizen App Development,’ Samsung Z1 launch partner event in Bangalore

    LecturePresentationLeadership

2014

  1. Dec — Tizen webinar ‘Native UI Application Development’ and Developer Day EFL Korea presentation

    LecturePresentationLeadership

  2. Nov — Tizen/EFL online course, Korea Community Day, and Korea LUG seminar

    LecturePresentationLeadership

  3. Sep–Oct — EFL Korea Seminar, Samsung Software Membership, and internal open-source talks

    LecturePresentationLeadership

  4. Jul 23 and Jun 3 — ‘The Art of Tizen UI Theme Technology’ at OSCON Portland and Tizen Developer Conference San Francisco

    LecturePresentationLeadership

  5. Jun 28 — ‘Open source and English,’ OSS Developers Forum

    LecturePresentationLeadership
    Watch talk

  6. Feb–Apr — EFL code review, Open Source Fundamentals, and Web OS public seminar talks

    LecturePresentationLeadership

2013

  1. Jun and Mar — Tizen UIFW EFL Development courses at Samsung Electronics

    LecturePresentationLeadership

  2. May 11 — Organized EFL Korean Seminar 2013 and presented the community session

    LecturePresentationLeadership

  3. Feb — EFL use-case talk in Samsung Open Source Fundamentals

    LecturePresentationLeadership

2012

  1. Oct — Daum DevOn ‘Building rich, lightweight, fast apps with EFL’ and Samsung Open Source Contributor Day

    LecturePresentationLeadership

  2. Aug — ‘Enlightenment,’ GNOME Korea meetup

    LecturePresentationLeadership

Helping others grow

Mentoring & community

4 entries

2025-10 — Present

Global · Online

FeaturedMentoringLeadership

Donation Mentoring

Volunteer mentor·donation-mentoring.org

2013-12 — 2014-11

Korea

MentoringOpen source

Open Frontier Program

Technical mentor·National IT Industry Promotion Agency (NIPA)

2013-03 — 2013-10

Korea

MentoringOpen source

EFL open-source mentoring program

Mentor · Excellence Award·Samsung Electronics

2016 — 2017

Korea

MentoringLeadership

Google Korea machine-learning study group

Founder and organizer·Google Korea

Learning in public

Open-source contribution

3 entries

2011-02 — Present

Global

FeaturedOpen sourceLeadershipMentoring

Enlightenment Foundation Libraries

Official committer, release manager, and community leader·Enlightenment Project

2012 — Present

Global

Open sourcePresentationPublication

Tizen open-source platform

Contributor and technical advocate·Tizen Project

2010 — Present

Global

Open sourceLeadership

Open-source community service

Organizer, translator, contributor, and advisor·EFL Korea, GNOME Asia, Mozilla, Bodhi Linux, IoTcubeCon, and others

Ideas in print

Research & publications

5 entries

2013-05 — 2014-02

Publication

PublicationOpen source

Tizen: A Linux-based open-source platform

Magazine series author·Embedded World

2012-07 — 2012-11

Publication

PublicationOpen source

EFL and Enlightenment technical articles

Contributing author·Micro Software magazine

2009-02

Suwon, Korea

PublicationEducation

Enhancing performance and secrecy of Tor anonymous communication

Master’s thesis·Ajou University

2008

Korea

Publication

Detecting and countering blackhole attacks on OLSR

Co-author·Mobile ad hoc network security research

2007-11

International conference

Publication

Unobservable Mix: Hiding communication with uniform network traffic

Co-author·ICCIT 2007

Recognition along the way

Awards

3 entries

2013

Korea

AwardMentoringOpen source

Open-source Mentoring Excellence Award

Award recipient as mentor·Samsung Electronics

2009

Korea

AwardCareer

Department Programming Competition Champion

Champion·Samsung Electronics SPACE

2009-02

Korea

AwardLeadership

Samsung Group Training Service Award

Trainee council president and award recipient·Samsung Group

A foundation in computing

Education

4 entries

2007 — 2008

Suwon, Korea

EducationPublication

M.S. in Information and Communication

Graduate student·Ajou University

2006

Stony Brook, New York

Education

International exchange program

Exchange student·State University of New York at Stony Brook

1999 — 2006

Suwon, Korea

EducationCareer

B.S. in Information and Computer Engineering

Undergraduate student·Ajou University

1996 — 1998

Suwon, Korea

Education

11th graduating class

Student · Hyemang Science Club·Changhyun High School

Donation mentoring

Experience shared. Impact multiplied.

I mentor through Donation Mentoring, sharing practical experience with people navigating technology, leadership, and career growth.

Donation MentoringDonation-based, one-to-one mentoring that turns professional experience into practical support.View my mentoring profile

A good conversation can change the trajectory

Let’s connect the dots.

For speaking, mentoring, and thoughtful conversations about technology leadership, reach out or follow the ongoing work.

seojuyung@gmail.com