Seaside Ventures
Venture capitalBoulder · Pre-Seed–Series A · 13 people tracked
Investment thesis
Seaside Ventures invests in science-driven consumer health technologies aimed at tackling the root causes of health challenges within the large global healthcare market. The firm's mission is to improve the mental and physical well-being of over a billion people by turning transformative innovation into accessible, scalable solutions. Positioning itself as a strategic partner rather than just a capital provider, Seaside helps founders bridge the gap between scientific validation and commercial success—refining business models, optimizing operations, building go-to-market strategies, forming strategic partnerships, expanding distribution, scaling customer acquisition, and supporting PR and branding efforts to reach and grow their markets.
Source: firm website, verified Aug 3, 2026.
Team · 13 people
from the firm's website
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What they invest in
from 3 of 25 portfolio companiesBiotech ×2Healthtech ×2AI & Machine Learning ×1Consumer ×1Hardware ×1Medical Devices ×1Wellness & Fitness ×1
HQs:United States×3
Investments · 25 tracked
founders shown can be your intro pathBiotechSeattle, US
Brad Younggren(Executive Officer, Director, Promoter)Robbie Schwietzer(Executive Officer)
BoardUri Greenwald(Director)
Maker of a sustainable electric flosser for oral care.
Longevity and wellness company offering personalized health memberships.
Non-hormonal, long-lasting, and fully reversible male contraceptive device using proprietary Vasalgel hydrogel technology.
Women's neurotech company focused on female brain health.
Respiratory health company working on treatments in the chronic refractory cough space.
Somnee develops a wearable sleep and brain health device using clinical-grade EEG sensors and non-invasive neurostimulation powered by proprietary AI to improve sleep quality and neurological health for consumers.
AI & Machine LearningHardwareHealthtechMedical DevicesBerkeley, US
Harnesses advanced reinforcement learning and real-time ICU data to deliver precise, personalized dosing recommendations for sepsis management in critical care settings.
Frequently asked questions
- What stage does Seaside Ventures invest at?
- Seaside Ventures invests at the Pre-Seed, Seed, Series A stages.
- What is Seaside Ventures's typical check size?
- Seaside Ventures typically writes checks of $250K.
- What sectors does Seaside Ventures focus on?
- Seaside Ventures focuses on Consumer, Digital Health, Healthtech, Medical Devices, Mental Health, Sector Agnostic, Wellness & Fitness.
- Where is Seaside Ventures located?
- Seaside Ventures is headquartered in Boulder, US.
Images
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Co-investors · 11
Siddhi Capital is a growth equity firm focused on the food and beverage sector, combining investment and operating expertise to accelerate growth for CPG and food companies.
Khosla Ventures is a venture capital firm known for backing bold, contrarian bets in world-class teams that can reshape entire industries.
Long Journey Ventures is an early-stage venture firm that backs unconventional, 'magically weird' founders and ideas, positioning itself as a hands-on, community-oriented partner to its companies.
Bain Capital Ventures is the venture arm of Bain Capital, backing founders from incubation and seed through growth-stage, leveraging Bain Capital's global platform, industry expertise, and network.
Everywhere Ventures is an early-stage venture firm that backs founders globally, supported by a community of founders and operators as LPs.
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.
M13 is a venture capital firm that backs early-stage founders building companies through structural market shifts.
Winklevoss Capital is an investment firm that backs founders working on hard problems in critical, frontier technology domains.
Serena Ventures is a venture capital firm that backs founders building companies across how people live, work, move, and connect, with a global perspective and a focus on expanding access, ownership, and opportunity.
Gemini Israel Ventures is a pioneering Israeli venture capital firm focused on early and seed stage investments in information technology companies.
BOLD Capital Partners is a venture firm backing entrepreneurs across a range of technical and scientific domains, with a dedicated BOLD Longevity Growth practice.
Firms observed investing alongside Seaside Ventures, from public investor directories. Shared companies are the overlap with Seaside Ventures's recorded portfolio.
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