Lydia Simon
Managing Partner at SEF Ventures
Langenfeld, North Rhine-Westphalia
Lydia Simon, Managing Partner at SEF Ventures is an active investor based in Langenfeld, North Rhine-Westphalia. This profile covers what Lydia Simon backs, at which stage, and how founders can reach out in 2026.
Dr. Lydia Simon is a Managing Partner at SEF Ventures, linking capital with innovation for a sustainable future, with over 25 years of industry experience.
Lydia Simon invests in Climate & Energy and Hardware & Deep Tech, typically at Seed and Early Stage Venture.
- Investor type
- VC
- Stages
- SeedEarly Stage Venture
- Invests in
- Climate & EnergyHardware & Deep Tech
- Location
- Langenfeld, North Rhine-Westphalia
- Typical check
- $375K
How to reach Lydia Simon
Angels and operators like Lydia Simon reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
Reach active investors like this one
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Lydia Simon." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/lydia-simon
Frequently Asked Questions
Who is Lydia Simon?
Lydia Simon, Managing Partner at SEF Ventures is an active investor based in Langenfeld, North Rhine-Westphalia. Lydia Simon invests in Climate & Energy and Hardware & Deep Tech, typically at Seed and Early Stage Venture.
What does Lydia Simon invest in?
Lydia Simon invests in Climate & Energy and Hardware & Deep Tech, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Lydia Simon invest at?
Lydia Simon typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Lydia Simon's typical check size?
Lydia Simon typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.