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UpZen 창업자 대표

컴퓨터 공학 석사 후 삼성전자에서 시작된 커리어가 친구덕에 실리콘밸리로 이어져 지난 28년간 13개의 다양한 스테이지의 회사를 다녔습니다 (창업, 대기업들, 다수의 스타트업들). 11개월 쉬어보기도 했고 엔젤투자, 어드바이저, 컨설팅 등의 역할도 해오고 있습니다.

스킬

리더십

글쓰기

커뮤니케이션

데이터 분석

python

경력 ・ 29년 2개월

UpZen - 창업자 대표

2023.12 ~ 현재

스킬: 리더십, 커뮤니케이션, SQL, python, AWS, 머신 러닝, HR

Mentor at 500 Startups Mentor at SW Maestro LP at K2G Fund (https://www.k2gfund.com/) Angel invested in the following companies: - GoodTime.io (https://www.goodtime.io/) - ChartMetric (https://chartmetric.com/) - Cardon (https://www.cardonformen.com/) - The Miilk (https://www.themiilk.com/) - Select Star (https://getselectstar.com/) - Ceeya (https://www.ceeya.io/) - Hex Technology (https://hex.tech/) - Dokkaebier (https://enjoydkb.com) - Bobidi, Inc (https://www.bobidi.com/): YC W22 - Dallem (https://dallem.com/) - Relate (https://www.relate.so/): YC S22 - museLIVE (https://muse.live/) - EO (https://eoeoeo.net/) - Business Canvas (https://typed.do/) Played or playing an advisor role in the following companies: - Moloco (http://www.molocoads.com/) - Chequer (https://www.chequer.io/) - TeamBlind (https://www.teamblind.com/) - 월급쟁이부자들 (https://weolbu.com/) - 제로엑스플로우 (https://1hour.ai/) - MakinaRocks (https://www.makinarocks.ai/) - Noul (https://noul.kr/) - Locket (Acquired by Wish) Made numerous talks on data engineering & science and career: - Interviews with EO channel in Korean: - Part 1: https://www.youtube.com/watch?v=nLL409se8sM - Part 2: https://www.youtube.com/watch?v=XKqLz6WJSRA - Part 3: https://www.youtube.com/watch?v=3U0cbzmwSYc Taught coding for college students and people who want to switch to IT industry (mostly for non-profit)

Grepp - Chief Technology Officer (US Office)

2022.04 ~ 2023.11

Grepp USA is a subsidiary of Grepp, Inc out of Seoul, Korea.

Harmonize - Head Of Data

2020.05 ~ 2022.04

Harmonize is a series A stage ($10M) startup building a remote care platform to impact patients at scale. Started as a consultant to build up its data infra from Aug 2019 before switching to a full-time in May 2020

자영업/개인사업 - Independent Consultant

2017.07 ~ 2020.01

Worked for the following companies: - Harmonize Health (San Mateo, CA): joined as a fulltime - Vetted Petcare (Los Angeles, CA) - Airvet (Los Angeles, CA) - Ready, Set, Food (Los Angeles, CA) - Printify (Latvia) - Tulip Cremation (San Francisco, CA) - Skip Scooters (San Francisco, CA) - Jobox.ai (Palo Alto, CA) - Coffee Meets Bagel (San Francisco, CA) - SK Academy (Seoul, Korea) - SK Telecom (Seoul, Korea) - Hyundai Card (Seoul, Korea)

- Senior Director of Data

2014.08 ~ 2018.07

- Built 15+ people data team (engineering and science) from scratch in San Francisco and also managed 15+ discovery engineering team (search/recommendation/api) in Ankara Turkey. - Built Data Warehouse using Redshift, Python, Spark/Hive/Presto and Pinball - Implemented Logging Framework using Hadoop/Spark/Hive and Django - Built Kafka/SparkStreaming/Cassandra based streaming infrastructure - Implemented Recommendation and A/B Test analysis pipeline using Hadoop/Hive on EMR, an on-premise cluster and Tableau

Polyvore (Acquired By Yahoo) - Senior Engineering Manager

2012.12 ~ 2014.08

- Managed product catalog (crawl/feed) team, search team and data editorial team - Remained hands-on in Search (Solr/SolrCloud) - Evaluated and built data pipeline on top of AWS Redshift using hadoop(EMR)/pig/perl/S3

개인 안식년 - Consultant

2012.01 ~ 2012.12

Providing consulting and training around Big Data (Hadoop) and Search (ElasticSearch and Solr) - My customers included Trulia, WiderPlanet, TapJoy, Samsung Electronics, ... - Trulia went IPO later in the year (2012) - Taught Hadoop programming to 30+ CS professors in Korea. - Wrote a Hadoop programming book in Korean (published in Feb 2013): * http://www.yes24.com/24/goods/8426044?scode=032&OzSrank=1

Haileo, Inc - VP of Engineering

2011.04 ~ 2011.12

Built Video/Image Ads backend service on top of AWS

Yahoo! - Director of Engineering

2004.02 ~ 2011.04

- Worked on Vertical Intent part of Web search. - Managed teams working on web search result presentation, International markets content coverage, breaking news handling and Local search - Was responsible for various International market web search qualities (focus on Asian markets) - Started as a senior engineer and eventually was promoted to director of engineering in Oct 2008

Looksmart - Engineering Manager

2003.04 ~ 2004.02

Managed Search run-time team

Inverito - CTO and Co-founder

2002.02 ~ 2003.04

I was one of the co-founders. I designed and implemented a SEC-filing search engine (called EdgarIQ) and also developed a specialized insider-trading information web service called "insiderscoop".

Wisenut (Acquired By Looksmart) - Engineering Manager

2000.06 ~ 2002.02

- Designed and implemented search part of WiseNut search engine. Also worked on the operation/monitoring areas for the search engine. - WiseNut was acquired by Looksmart in April 2002

Samsung Electronics - Software Engineer

1995.02 ~ 2000.06

- Built Document Imaging System on top of MS Windows. - Worked with a number of clients including some big governemt agencies and banking/finance companies

교육

서울대학교 - 컴퓨터 공학 석사

1993.03 ~ 1995.02

- Taught Windows Programming (API and MFC) in 3 different programming schools - Developed a Windows based Hangul Wordprocessor

서울대학교 - 컴퓨터 공학 학사

1989.03 ~ 1993.02

Built BIOS for 386 PC which was a collaboration project with LG Electronics. I was part-timing from from 1990 to 1992

링크

개발 트렌드부터 Q&A, 네트워킹까지

요즘 개발자들의 필수 커뮤니티, 커리어리