Expon Capital
Family officeLuxembourg · Pre-Seed–Growth · 7 people tracked
Investment thesis
Sepulveda Capital invests in technology-driven enterprises with a focus on artificial intelligence and decision intelligence platforms serving enterprise and government clients. The investment approach is informed by the founder's extensive experience across 100+ financing transactions, including three exits valued over $1 billion, with particular emphasis on companies with transformative business models and international growth potential.
Source: firm website, verified Aug 3, 2026.
Team · 7 people
from the firm's website & public directoriesWhat they invest in
from 4 of 42 portfolio companiesSpace Tech ×3Climate Tech ×2Data & Infrastructure ×2AgTech ×1Biotech ×1Circular Economy ×1Deep Tech ×1E-commerce ×1
HQs:United States×2Germany×1
Investments · 42 tracked
founders shown can be your intro pathPartnerLily Wang· led
MiCA-licensed digital assets investment platform in Europe
Exobiosphere operates an orbital high-throughput system for automated, large-scale drug testing in space, using microgravity to create disease models.
BiotechDeep TechSpace Tech
Marketplace enabling individuals and businesses to buy, send and pick up any product within the same city.
PartnerLily Wang· led
Hydrosat converts satellite and ground data into actionable information for sustainable agriculture and water management.
AgTechClimate TechData & InfrastructureSpace TechWashington, US
Pieter Fossel(CEO)Scott Alan Soenen(Executive Officer)Alan Royce Dalby(Executive Officer, Director)Andrew Robert Dearing(Director)Lori Garver(Director)Adam Niewinski(Director)
Creates products enabling cloud and enterprise data centers to access data up to 50x faster with lower computational load and power consumption.
Spire operates a constellation of nanosatellites that collect granular Earth and environmental data from orbit, providing analytics for climate, logistics, and community protection.
Climate TechData & InfrastructureLogistics & Supply ChainSpace TechVienna, Virginia, US
Peter Platzer(Founder)inJeroen Cappaert(Founder)inJoel Spark(Founder)
PartnerLily Wang· led
Frequently asked questions
- What stage does Expon Capital invest at?
- Expon Capital invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
- What is Expon Capital's typical check size?
- Expon Capital typically writes checks of $550K – $1.6M.
- What sectors does Expon Capital focus on?
- Expon Capital focuses on AI & Machine Learning, Biotech, Crypto & Web3, Cybersecurity, Deep Tech, Enterprise Software, Fintech, Healthtech, Quantum Computing, SaaS, Sector Agnostic, Space Tech.
- Where is Expon Capital located?
- Expon Capital is headquartered in Luxembourg, LU.
- Does Expon Capital lead rounds?
- Yes, Expon Capital leads investment rounds.
Media · Podcasts & interviews
featuring the teamE-conference Expon: Jerome Wittamer (Expon Capital) and Nick Tabone (Deloitte) - YouTube
360Crossmedia · Jerome Wittamer
[EXTRAIT] #173 - Jérôme Wittamer (Expon Capital) - Retour d’expérience sur le "Digital Tech...
Solenne Niedercorn · Jérôme Wittamer
LuxembourgMonAmour - Interview with Jerome Wittamer (Expon Capital) - YouTube
360Crossmedia · Jerome Wittamer
Successful startups' most secret sauce. Jérôme Wittamer / Expon Capital and Kevin Muller / Passbolt
TechChill · Jérôme Wittamer
The Luxembourg PE/VC stories with Jérôme Wittamer, Expon Capital
LPEA Luxembourg · Jérôme Wittamer
LPEA Insights 2018: Jerome Wittamer, Expon Capital - YouTube
LPEA Luxembourg · Jerome Wittamer
Images
Co-investors · 31
Techstars is a startup accelerator and early-stage investor that funds ambitious founders and provides capital, mentorship, and access to a global network of investors, operators, and corporate partners.
Cultivation Capital is a venture capital firm that invests in early-stage companies with the potential to transform how people live and work, backing them from Series Seed through Series B.
ISAI is a French investment firm founded and backed by tech entrepreneurs, offering multiple strategies including early-stage VC, corporate VC, growth & buyout, and growth lending.
AlbionVC is an early-stage venture capital firm backing European founders, providing both capital and operational expertise across deeptech, health, finance, and intelligence sectors.
GPO Fund invests in disruptive technology-enabled businesses positioned to scale through international expansion and eventual public market listings, addressing the gap left by traditional venture capital's lengthened time horizons and the IPO market's shift toward mega-cap companies.
Blue Bear is a venture capital and early growth equity firm investing in AI-powered digital technology companies addressing energy, infrastructure, and climate challenges.
Industrious Ventures is a venture capital firm backing founders building deep tech across defense, space, autonomous systems, advanced materials, energy resilience, and critical infrastructure.
True Ventures is an early-stage venture capital firm that writes the first check for founders and supports them through subsequent stages of growth.
SOSV is a deep tech venture capital firm that makes first-check pre-seed investments and follow-on rounds in startups focused on human and planetary health, providing lab space and hands-on support at its US locations.
Partech is a global investment firm that supports founders at every stage through dedicated teams and multiple funds across several continents.
RRE Ventures is a boutique early-stage venture capital firm that backs founders across sectors, combining decades of experience with AI-driven analysis throughout the investment lifecycle.
Stellar Capital invests in founders building software, internet, and technology companies.
▶19 more co-investors
Cota CapitalBowery CapitalRevolutionDN CapitalQueensBridge Venture PartnersEQT VenturesSocial StartsViola VenturesLocalGlobeMotier VenturesScrum VenturesAmasiaPhoenix CourtRadical Ventures20VCPrimetime PartnersSixThirty VenturesIlluminate FinancialProsus Ventures
Firms observed investing alongside Expon Capital, from public investor directories. Shared companies are the overlap with Expon Capital's recorded portfolio.
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