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Douglas Guen, CEO & Founder at Primer

Douglas Guen

CEO & Founder @ Primer

San Francisco, United States

Douglas Guen is a seed investor at Primer in San Francisco focused on Retail and Lifestyle. Douglas Guen is the CEO and Founder of Primer. He previously worked at INICIS as a Founder and CEO. Douglas Guen attended Kyungpook National University.

Total investments:
14
Last investment:
Lead investor:
0%

Last updated:

Industries Douglas Guen invests in

RetailLifestyleE-CommerceBeautyMobile

Stages Douglas Guen invests in

SeedAngelPre-SeedFunding Round

Countries Douglas Guen invests in

United StatesSouth Korea

Round sizes

Seed $100k–$631kAngel $100k–$520kPre-Seed $50k–$297k

Round size

Seed
$100k–$631k
Angel
$100k–$520k
Pre-Seed
$50k–$297k

Investment Focus

Industry

  • Retail 2 (14%)
  • Lifestyle 2 (14%)
  • E-Commerce 2 (14%)
  • Beauty 1 (7%)
  • Mobile 1 (7%)
See all 25 industries →

Stage

  • Seed 3 (21%)
  • Angel 3 (21%)
  • Pre-Seed 2 (14%)
  • Funding Round 1 (7%)

Country

  • United States 4 (29%)
  • South Korea 3 (21%)

Investments

CompanyDescriptionRoundLinks
REMETAL REMETAL
Recycled scrap metal sales business, Professional team with 20 years successful career in the global scrap metal market $100K / Seed / Aug 02, 2023
Melixir Melixir
Melixir is a cult beauty brand rooted in Korean skincare rituals backed by science. Inspired by Eastern philosophy, Melixir believes that Nature is the purest form of beauty and creates plant-based skincare products that are 100% vegan and sustainable. Using cutting-edge technology and proprietary ingredients like Green Elixir™, Melixir designs themost innovative products for sensitive skin that deliver clinically-proven results. $100K / Angel / Aug 31, 2018
Melixir Melixir
Melixir is a cult beauty brand rooted in Korean skincare rituals backed by science. Inspired by Eastern philosophy, Melixir believes that Nature is the purest form of beauty and creates plant-based skincare products that are 100% vegan and sustainable. Using cutting-edge technology and proprietary ingredients like Green Elixir™, Melixir designs themost innovative products for sensitive skin that deliver clinically-proven results. $50K / Pre-Seed / May 01, 2018
WASHSWAT WASHSWAT
Washswat is a laundry service that washes and dries the laundry that is operated by specialized facilities and personnel. They innovate the market with IT technology. Laundromat started in Gangnam with the highest number of high-end cleaners in 2015 and walked step by step silently. In order to grow in the right direction even though it is alittle slower than others, they did not rush to expand the region. Now it is Korea's No. 1 mobile laundry special service at the King of Seoul, Seongnam, Hanam, Goyang, Gwangmyeong, Yongin, Suwon, Anyang, and Gwacheon. $631K / Seed / Dec 02, 2016
Soomgo Soomgo
Soomgo supports interactions across categories such as education, home maintenance, event-related work, and personal services. It enables users to search for and engage providers for specific tasks, while service providers list and manage their offerings through the platform. Soomgo is a local services marketplace. $297K / Pre-Seed / May 31, 2016
Primer Primer
Primer (프라이머) is a startup accelerator that the partners are all entrepreneurs based in Korea. The company started Jan 2010.The company forms groups called “PrimerClub Members” by selecting potential entrepreneurs, invest seed fund and provides them with mentoring and other support services to help ensure successful outcomes in their newventures. $7.4M / Sep 01, 2015
Soomgo Soomgo
Soomgo supports interactions across categories such as education, home maintenance, event-related work, and personal services. It enables users to search for and engage providers for specific tasks, while service providers list and manage their offerings through the platform. Soomgo is a local services marketplace. $74K / Pre-Seed / Apr 30, 2015
DearMissJ DearMissJ
DearMissJ is more than a jewelry brand. It is a movement. Empowering women, challenging the current fashion industry and improving the way we look and feel. We offer handmade, one-of-a-kind, high quality jewelry items for stylish & confident women everywhere. Website: www.dearmissj.com iOS: DearMissJ app $150K / Angel / Feb 18, 2015
RushOrder RushOrder
Based in Los Angeles, RushOrder is a food ordering technology company, focused on building the best mobile platform to connect hungry users with a uniquely curated restaurant network. RushOrder is built by an entrepreneurial team of hard-working and creative individuals, who truly care about making something that people will love. Establishedin 2013, RushOrder launched its full services to the public late 2014. Seed / Jan 20, 2015
Primer Primer
Primer (프라이머) is a startup accelerator that the partners are all entrepreneurs based in Korea. The company started Jan 2010.The company forms groups called “PrimerClub Members” by selecting potential entrepreneurs, invest seed fund and provides them with mentoring and other support services to help ensure successful outcomes in their newventures. $1.5M / Jan 01, 2015
See all 14 investments →

Co-Investors

Primer

About Primer

VC Fund · Seoul, South Korea

Primer (프라이머) is a startup accelerator that the partners are all entrepreneurs based in Korea. The company started Jan 2010.The company forms groups called “PrimerClub Members” by selecting potential entrepreneurs, invest seed fund and provides them with mentoring and other support services to help ensure successful outcomes in their newventures.

Primer Contacts

NameEmailPhoneSocials
Douglas Guen
Douglas Guen CEO & Founder
Kiha Lee
Kiha Lee Partner

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FAQ

What does Douglas Guen invest in?

Douglas Guen invests primarily in Retail, Lifestyle and E-Commerce startups, most often at Seed and Angel stage. Most of the 14 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

What is Douglas Guen's check size?

Douglas Guen typically joins rounds of $100k–$631k at Seed, $100k–$520k at Angel and $50k–$297k at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Douglas Guen participates in.

When did Douglas Guen last invest?

The most recent investment recorded for Douglas Guen closed in Aug 2023. Shizune tracks 14 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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