Carl Fritjofsson
InvestorFounderPartner at Creandum · Board director at Hosted · Board director at Codesphere · Board director at CAST AI
San Francisco
Writes $1M – $20M checks · typically $6M
FoundedMartie
Find your path to Carl
1,438 people in our graph can introduce you to Carl.
Each arrow is one introduction. Sign up to fill in the first one.
Ask Juha Christensen to introduce you to Carl
You →Juha · together at byFounders (2018–2020) →Carl
Ask Jamie Chen to introduce you to Carl
You →Jamie · 5 people · together at Creandum →Carl
Ask Sam Okafor to introduce you to Carl
You →Sam · together at byFounders →Carl
Sign up to find every way you can get introduced to Carl
- Your email: the people you already email who know Carl
- 2nd- and 3rd-degree connections: people you know who worked, studied or invested with Carl
- Your LinkedIn: the connections who can make the intro for you
We rank every route by how warm it is, so you raise on warm intros instead of cold emails.
About
Carl is a Partner at Creandum based in San Francisco, focusing on AI infrastructure, vertical AI and consumer opportunities. A former entrepreneur, he co-founded the ad network Adprofit and the gift/rewards platform Wrapp before rejoining Creandum in 2016 to build out its US hub.
Contact· published on Carl's own website
Invests in
AI & Machine LearningConsumerData & Infrastructure
Beyond investing
- Founded
- Fritjofsson co-founded the bootstrapped ad network Adprofit together with his wife. Fritjofsson co-founded and built the gift and rewards platform Wrapp, which raised close to $40m and scaled across 18 countries before being acquired.
- Hobbies
- Fritjofsson has been interested in technology since childhood, playing video games, participating in IRC rooms, and building websites during the early internet era.
- Family
- Fritjofsson's wife, Louise Fritjofsson, was his co-founder at Adprofit.
From Carl's own website — common ground for a warm intro.
Board director at Hosted
Intro paths
In turn, Carl can intro founders to Hosted's investors below.
Hosted's investors · 5
Co-founders at Hosted
Board director at Codesphere
Intro paths
In turn, Carl can intro founders to Codesphere's investors below.
Codesphere's investors · 7
Co-founders at Codesphere

Board director at CAST AI
Intro paths
In turn, Carl can intro founders to CAST AI's investors below.
CAST AI's investors · 9
Co-founders at CAST AI


Experience
- MartieCo-Founder & CEOcurrent2021 — presentLos Angeles, California, United States
- DeedsterBoard member2019 — 2023
- AdProfitExecutive Chairman2013 — 2022
- AdProfitFounder + CEO2008 — 2013
- byFoundersFounder in Founders Collective2018 — 2020San Francisco Bay Area
- VintCo-founder + CEO2013 — 2018Stockholm + San Francisco
- 500 StartupsEntrepreneur In Residence2016 — 2017San Francisco Bay Area
- Born Global - Sweden's Premier Startup AcceleratorCoach/Mentor2016Stockholm, Stockholm County, Sweden
- PopsoxCEO - founder2007 — 2008Stockholm, Sweden
Skills & more
+8 more
Integrated MarketingStrategyStart-upsDigital MediaLeadershipSalesMobile MarketingMarketing StrategyLanguages English · Spanish
From Carl's professional profile.
Deals · 3
Safety NestBoard seat
via Creandum · filed Feb 2021 · $12.9M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Led
Better Stack
Board seats
Investor
AppchargeBetter StackClustreeCodesphereEquiLibre TechnologiesFindifyGoCoinLakaMixmaxPipeProject EadenSafetyWingSickweatherTablelist
Sources: curated public sources · SEC Form D filings.
Colleagues at Creandum
Network7
Investors connected to Carl in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Carl Fritjofsson?
- Carl is a Partner at Creandum based in San Francisco, focusing on AI infrastructure, vertical AI and consumer opportunities. A former entrepreneur, he co-founded the ad network Adprofit and the gift/rewards platform Wrapp before rejoining Creandum in 2016 to build out its US hub.
- Where does Carl Fritjofsson work?
- Carl Fritjofsson is Founder of Martie and Partner at Creandum and Board director at Hosted and Board director at Codesphere and Board director at CAST AI.
- What does Carl Fritjofsson invest in?
- Carl Fritjofsson invests in AI & Machine Learning, Consumer, Data & Infrastructure.
- What check size does Carl Fritjofsson write?
- Carl Fritjofsson typically writes checks of $1M – $20M.
- What companies did Carl Fritjofsson found?
- Carl Fritjofsson founded Martie.
- What boards does Carl Fritjofsson sit on?
- Carl Fritjofsson holds tracked board seats at CAST AI, Codesphere, Hosted, Safety Nest.
- What companies has Carl Fritjofsson invested in?
- Investments tracked here include Better Stack, Appcharge, Better Stack, CAST AI, Clustree, Codesphere, EquiLibre Technologies, Findify, GoCoin, Laka, Mixmax, Pipe, and 4 more.
- Does Carl Fritjofsson lead rounds?
- Yes — Carl Fritjofsson has led 1 tracked investment.
Founder mafias
byFounders mafia12
Also came through, then founded or led a company.
CAST AI mafia7
Also came through, then founded or led a company.
Creandum mafia4
Also came through, then founded or led a company.
Codesphere mafia2
Also came through, then founded or led a company.
Safety Nest mafia2
Also came through, then founded or led a company.
Shared employers
Also worked at Martie2
Also worked at Deedster2
Also worked at byFounders18
+ 12 more
Also worked at 500 Startups266
+ 260 more





























































