First Believers in Frontier Founders.

We are thesis-driven investors focused on Seed and Pre-Seed investments.
Close-up of a vibrant orange and purple flower petal covered in glistening water droplets against a dark background.
Close-up of beige oyster mushroom gills with delicate, layered texture.
Aerial view of tiered green and tan rice terraces with winding paths.

Numbers that matter

83%
of our portfolio founders have a technical background.
51%
of our portfolio companies have a female co-founder.
43%
of our portfolio founders are second-time entrepreneurs.

Founder perspectives

Testimonials

“Nucleus, with their exceptional network, was the most influential and valuable partner in the first years after we incorporated.”

Dr. Sara & Max Marquart

Founders @ Planet A Foods

“We see a VC partnership as an early hire, and Nucleus would unquestionably be our first. They provide the guidance, structure, and execution clarity that meaningfully shifts outcomes."

Juan Garzon & Ruben Lopez

Founders @ Cultzyme

“The team is very responsive, transparent and honest from the start. They clearly demonstrate a strong understanding of scientific and technical areas - which makes them a fantastic partner.”

Charlie Silver

CEO & Founder @ Ruby Bio

“Nucleus is the deep‑tech investor that quietly does the real work - fiercely supportive, founder‑first, and willing to lean in on the toughest, highest‑impact problems.”

Dr. Mathias Bösl

CEO & Founder @ Spark E-Fuels