Profile

Julien Coustaury

Location: Europe

Julien Custori is a founding partner and serves as managing partner at Fil Rouge Capital. He was a co-founder and resident entrepreneur at Acceleration Business City. He has more than 20 years of experience in manufacturing and services, mostly at the CEO level.

NUMBER

#381

Xs

534

Investments

40

Exits

19
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Unicorns
Overview
About Julien Coustaury
Number of Portfolio Companies 2
Location Europe

Julien Custori is a founding partner and serves as managing partner at Fil Rouge Capital. He was a co-founder and resident entrepreneur at Acceleration Business City. He has more than 20 years of experience in manufacturing and services, mostly at the CEO level. He has worked in more than 80 countries on five continents and has been involved in over $1.7 billion in buying, selling and financing deals. Most recently, with his partner, he has invested in over 40 early-stage businesses, mostly B2C software, with some HW exceptions, such as H20Pal, the first hydration tracker on the market. As part of Double Recall’s founding team, Julien took the YCombinator S11 course. Julien currently serves on the board of directors of Symvaro, H20Pal and Europronet. He has a master’s degree in telecommunications engineering. He is also an angel investor.

Professional Experience

Founding Partner | Jun 2014 – Present

Fil Rouge Capital

  • Leading venture capital firm focused on providing funding and support to bold founders
  • Manages comprehensive investment portfolio with emphasis on early-stage startups
  • Provides strategic guidance and mentorship to portfolio companies
  • Reviews and provides feedback on all funding applications through systematic evaluation process

CEO | Jul 2012 – Apr 2014

Plus Communication

  • Led operations for major telecommunications company in Albania
  • Based in Tirana, oversaw company-wide strategic initiatives and operational excellence
  • Directed corporate strategy and business development activities

Co-Founder and COO | Jan 2011 – Jun 2012

DoubleRecall

  • Co-founded and operated technology startup in Silicon Valley
  • Y Combinator alumni (YCS11)
  • Managed day-to-day operations and strategic growth initiatives from Palo Alto headquarters
  • Developed and implemented operational frameworks for scaling

CEO – Solomon Islands | Jun 2009 – Nov 2010

Bemobile Ltd.

  • Led telecommunications provider’s operations in the Solomon Islands
  • Based in Honiara, managed complete P&L responsibility
  • Oversaw market expansion and infrastructure development
  • Directed strategic initiatives for market penetration and growth

Advisor to the President | Oct 2007 – Jan 2009

Trilogy International Partners

  • Provided executive-level counsel on strategic initiatives in Haiti
  • Based in Port-au-Prince, focused on telecommunications market development
  • Offered expertise in emerging market operations and expansion strategies

Investment Portfolio

  1. Upflex
    • Deal Date: January 16, 2020
    • Deal Type: Seed Round
    • Industry: Business/Productivity Software
    • Company Stage: Generating Revenue
  2. Envoy Commerce
    • Deal Date: May 9, 2016
    • Industry: Other Services (B2C Non-Financial)
    • Company Stage: Out of Business
  3. Eurosender
    • Deal Date: May 9, 2016
    • Industry: Logistics
    • Company Stage: Generating Revenue
  4. Havenly
    • Deal Date: March 29, 2016
    • Industry: Real Estate Services (B2C)
    • Company Stage: Generating Revenue
  5. The Happy Home Company
    • Deal Date: December 23, 2015
    • Industry: Other Services (B2C Non-Financial)
    • Company Stage: Out of Business
  6. Studypool
    • Deal Date: December 1, 2015
    • Industry: Educational Software
    • Company Stage: Generating Revenue
  7. Forage (Portland)
    • Deal Date: November 25, 2015
    • Industry: Social/Platform Software
    • Company Stage: Out of Business
  8. Pillow
    • Deal Date: November 13, 2015
    • Industry: Media and Information Services (B2B)
    • Company Stage: Generating Revenue
  9. Din (Food Products)
    • Deal Date: November 1, 2015
    • Deal Type: Early Stage VC
    • Industry: Food Products
    • Company Stage: Out of Business
  10. Happn
    • Deal Date: September 14, 2015
    • Deal Type: Early Stage VC
    • Industry: Social/Platform Software
    • Company Stage: Generating Revenue

Education

Y Combinator

  • Startup Accelerator Program
  • March 2011 – July 2011
  • Cohort YCS11

EFREI – Grande école du numérique

  • MSc, Telecom
  • 1992 – 1995
  • Activities: Sliding sports, culinary arts, wine appreciation

Skills

  • Startup Development and Scaling
  • Venture Capital Investment
  • Product Management
  • Telecommunications Industry Expertise
  • Strategic Planning and Execution
  • Emerging Markets Operations
  • Corporate Leadership

Contact Information

  • Location: Zagreb, Zagreb, Croatia

LinkedIn Connections: 500+

– Professional Followers: 7,034

No data.

Company name
ENTRY ROUND
VALUATION at entry ($M)
Xs
VALUATION 
$5M
440
$2 200M
Series B
$40M
45,75
$1 830M

No data.

2025