Hello Tomorrow
AcceleratorParis · Pre-Seed–Seed
Investment thesis
Hello Tomorrow is a Paris-based non-profit that supports deep-tech startups through global competitions, acceleration programs, events, and innovation consulting. It connects early-stage founders with investors, corporates, and research institutions, and has made a small number of early-stage investments alongside cash prizes awarded through its startup challenges.
Founder mafia
2 people who came through Hello Tomorrow went on to found or lead other companies.
What they invest in
from 3 of 4 portfolio companiesNew Materials ×2Cleantech ×1Deep Tech ×1E-commerce ×1Energy ×1Marketing Tech ×1SaaS ×1Semiconductors ×1
HQs:United States×1
Portfolio companies · 4 tracked
alumni founders can tell you what the program is really likeBy year:2024 · 12019 · 23 dated
Coreshell develops battery materials and technology aimed at improving battery capacity, performance, and cost while reducing reliance on critical materials.
CleantechEnergyNew MaterialsSan Leandro, US
Jonathan Tan(Executive Officer, Director)inSourav Basu(Executive Officer, Director)John Nadaskay(Executive Officer)inYoungduk Kim(Executive Officer)
BoardBenoist Ollivier(Director)Alexander Fang(Director)in
Co-investorsAsymmetry VenturesBerkeley SkyDeck FundEntrada VenturesVeronorte
DiamFab develops synthetic diamond semiconductor material and solutions for high-power electronics operating in extreme conditions, as well as quantum applications.
Deep TechNew MaterialsSemiconductors
Mailchimp is an email and SMS marketing platform that helps businesses of all sizes automate customer communications and drive revenue through AI-powered analytics and campaign tools.
E-commerceMarketing TechSaaS
Co-investors24 HaymarketDecisive PointFifth WallFitz Gate VenturesForma PrimeMapleblock Capital+9 more
Portfolio news
latest coverage across their companiesEepurl · isocfoundation.org · Feb 20, 2026
Frequently asked questions
- What stage does Hello Tomorrow invest at?
- Hello Tomorrow invests at the Pre-Seed, Seed stages.
- What sectors does Hello Tomorrow focus on?
- Hello Tomorrow focuses on Climate Tech, Deep Tech, Healthtech.
- Where is Hello Tomorrow located?
- Hello Tomorrow is headquartered in Paris, FR.
- Who does Hello Tomorrow co-invest with?
- Hello Tomorrow most often shares deals with Fifth Wall, Fitz Gate Ventures, Forma Prime, among 16 tracked co-investors.
Similar investors
Amadeus Capital Partners is a technology investment firm that backs founders building complex, science-led and deep tech businesses, supporting them over the long term as they scale internationally.
Foundation Capital is an early-stage venture capital firm that commits to founders at the idea stage and maintains long-term relationships with portfolio companies through their growth journey.
Hyderabad Angels is an angel investment network founded in 2010, comprising entrepreneurs, industrialists, and family offices that back early-stage startups across India with capital and mentorship.
igniteXL Ventures is a Silicon Valley-based global seed fund investing at the intersection of health, wellness, technology, and consumer experiences, backing diverse and female founders building future-of-wellness companies.
Initialized Capital is a seed-stage venture firm that partners with founders very early — often before product-market fit — providing hands-on support across product, recruiting, go-to-market, PR, and Series A fundraising.

