Erik Wiesner-Mostenicky
Vice President @ Fidelity International Strategic Ventures
London, United Kingdom
Erik Wiesner-Mostenicky is a Series A investor at Fidelity International Strategic Ventures in London focused on Software and FinTech. Erik Mostenicky is a Vice President at Fidelity International Strategic Ventures.
- Total investments:
- 6
- Last investment:
- Lead investor:
- 17%
Last updated:
For AI agents: llms.txt
Industries Erik Wiesner-Mostenicky invests in
Stages Erik Wiesner-Mostenicky invests in
Countries Erik Wiesner-Mostenicky invests in
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
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Investment Focus
Industry
- Software 3 (50%)
- FinTech 2 (33%)
- Sustainability 2 (33%)
- Artificial Intelligence 2 (33%)
- SaaS 1 (17%)
Stage
- Series A 2 (33%)
- Series B 2 (33%)
- Seed 1 (17%)
- Funding Round 1 (17%)
Country
- United Kingdom 3 (50%)
- France 1 (17%)
- United States 1 (17%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Glide Identity provides SIM-based cryptographic authentication and verification systems using telecom network APIs. It replaces traditional methods like passwords and SMS-OTP by using SIM-anchored cryptographic verification, carrier-network intelligence, and biometrics. Its flagship product, MagicalAuth, verifies users silently via their SIM cardswith no codes or clicks, helping prevent SIM swap attacks, phishing, and other common fraud vectors. | $20M / Series A / Oct 13, 2025 | ||
| In this new era where C02 emissions management has gone mainstream, Greenly allows companies to become frontrunners of the energy transition, building in-house capacity to track and reduce their emissions, more precisely and more simply. In stark contrast to one-shot consulting services, Greenly offers the first comprehensive carbon accounting& management platform, allowing companies to track and reduce their GHG emissions and set a course for Net Zero. Greenly combines technology and expertise to deliver simple and reliable GHG protocol compliant carbon disclosure reports, Net Zero strategies in line with SBTi. We help procurement departments implement sustainable purchasing policies, score and engage their suppliers on their Net Zero strategy, and decarbonize their supply chain. Greenly's unique product offering is to offer an industry-specific approach to tracking emissions, rolling-out activity based tracking apps for key verticals: freight, electricity, cloud, inventory management, financed emissions, etc... Learn more on www.greenly.earth | $52.5M / Series B / Mar 20, 2024 | ||
| Leveraging AI to transform information into insights | $6.5M / Seed / Mar 06, 2024 | ||
| Sylvera is a carbon data provider whose aim is to incentivize real-world climate action. They develop machine learning-based tools to track the performance of carbon offsets. The company was founded in and will have its headquarters in London, United Kingdom, by 2020. | $56.9M / Series B / Jul 17, 2023 | ||
| Tumelo is an impact-focused financial technology firm. Our mission is to enable retail investors and pension members to create and benefit from a more sustainable investment system. We do this by partnering with investment and pension providers, enabling them to provide their customers with transparency over the companies they own and ashareholder voice on issues they care about, such as gender equality or climate change. Our solution is white-label software delivered via APIs and/or a user dashboard. Our software integrates with existing investment platforms improving customer engagement, acquisition and retention for providers. | $18.8M / Series A / May 10, 2022 | ||
| See all 6 investments → | |||
Co-Investors
Fidelity International Strategic Ventures invests in fintech businesses and technologies. FISV's team seeks to partner with visionary entrepreneurs that are redefining Wealth and Asset Management. It invests in category leaders that can create new markets, enhance portfolio returns or disrupt traditional processes.
Fidelity International Strategic Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Erik Wiesner-Mostenicky
Vice President
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James Devlin
Senior Associate
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Joshua Lloyd-Lyons
Investor
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Laura Atterwill
Talent & Operations Partner
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Alokik Advani
Managing Partner
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FAQ
What does Erik Wiesner-Mostenicky invest in?
Erik Wiesner-Mostenicky invests primarily in Software, FinTech and Sustainability startups, most often at Series A and Series B stage. Most of the 6 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Erik Wiesner-Mostenicky?
Public channels for Erik Wiesner-Mostenicky include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Erik Wiesner-Mostenicky last invest?
The most recent investment recorded for Erik Wiesner-Mostenicky closed in Oct 2025. Shizune tracks 6 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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