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Sameer Singh

Sameer Singh

Network-effects investor — Partner at Speedinvest; Reforge instructor

sameer
London, United Kingdom
Joined August 2025
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Network

26.3K connections
💡
Startup Founders
🌱
Early Stage Investors
🤝
Speedinvest Core Team
📈
Product Growth Leaders
🌍
Atomico Network

Summary

Established thought leader on network effects: Sameer authors Breadcrumb.vc, runs practical templates and scorecards, and teaches cohort workshops (Maven / Reforge) that translate academic/strategic ideas into operator-friendly frameworks founders can use to design, measure and strengthen network effects. breadcrumb+2
Hands-on early-stage investor and operator in marketplaces and consumer products: works as a Partner at Speedinvest and has a broad angel/advisor portfolio (e.g., Howbout, Haz, Konfetti, Revyze, HomeCooks). He evaluates startups using liquidity- and interaction-first metrics and invests primarily at pre-seed / seed. speedinvest+2
Product & data background from App Annie: Sameer's time as Global Director of Consulting and earlier research roles at App Annie gave him experience translating large-scale app and market data into growth, product and go-to-market strategy — informing his investment thesis on data and interaction network businesses. speedinvest+1
Cross-border professional trajectory with an engineering + management background: originally from Hyderabad, he has an electronics engineering undergraduate degree and a PGDBM from XLRI, and has worked across investing, consulting and product/data roles before becoming a European-based investor and educator. nfx+1

Work

Education

Projects

Writing

Evaluating Network Effects (Network Effects Scorecard / templates)

January 1, 2023

Practical templates and a scorecard to assess the strength, scalability, and defensibility of network effects in startup products.

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Fragmentation & Network Viability

April 6, 2020

Essay exploring how fragmentation across sides of a network affects marketplace viability and the conditions needed for liquidity.

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Various essays and guides on marketplaces, layering effects and metrics

Multiple long-form posts on Breadcrumb.vc and related course material covering interactions, liquidity metrics, negative network effects, and layering network effects.

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Hobbies

Writing and teaching about product strategy, marketplaces and network effects (publishes Breadcrumb.vc and leads workshops). breadcrumb+1

Notes

HAHugo Amsellemsaid that if they were launching a new consumer startup,
SSSameer Singh
would be among their top picks as an investor.

Apr 2, 2026

MAMohidul Alamsaid they see
SSSameer Singh
as a leading consumer-focused angel or VC with a strong track record in mobile.

Dec 17, 2025

JLJoe Lewinsaid
SSSameer Singh
is one of the most thoughtful investors they know in the well-being, longevity, sports, or health sectors.

Dec 4, 2025

JLJoe Lewinsaid that if they were a founder of a new consumer startup,
SSSameer Singh
would be among their top picks for pre-seed investment.

Dec 4, 2025

ABAliénor Bossésaid that if they were raising a round in London,
SSSameer Singh
would be among their top picks as an investor.

Nov 11, 2025

THTom Hussonsaid that if they were raising a round in London,
SSSameer Singh
would be among their top picks as an investor.

Nov 10, 2025

JSJames Sandovalsaid
SSSameer Singh
is one of the most insightful tech investors they've interacted with.

Nov 6, 2025

SHSeb Haugetosaid that if they were raising a round for a startup, they would be excited to have
SSSameer Singh
join as an angel investor.

Oct 3, 2025

MLMarkus Langsaid
SSSameer Singh
is one of the most insightful consumer-focused VCs they've interacted with.

Oct 2, 2025

SZSeverin Zugmayersaid
SSSameer Singh
is one of the most insightful consumer-focused VCs they've interacted with.

Oct 1, 2025

IKIngmar Kleinsaid they've seen
SSSameer Singh
make outstanding early investments in social or consumer apps.

Aug 25, 2025

HWHenrik Wetter Sanchezsaid they would be excited to have
SSSameer Singh
as an investor in their early-stage company.

Aug 20, 2025

FHFrederik Hagenauersaid
SSSameer Singh
is one of their top picks for pre-seed investing in consumer startups.

Jul 23, 2025

JAJeroen Artssaid they've seen
SSSameer Singh
make a positive impact on startups as a venture investor.

Jul 22, 2025