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HAX Program

HAX (SOSV)RemoteDeadline: Dec 31, 2026

HAX is a global accelerator built specifically for hard tech startups working on human and planetary health challenges, providing investment, engineering, and community support.

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About This Program

About HAX

HAX is a leading global accelerator dedicated to hard tech startups, focusing on solutions for critical human and planetary health challenges. Built on the foundation of SOSV, one of the world’s most active deep tech venture capital firms, HAX leverages extensive experience in hard tech development. The program recognizes that building hard tech is distinct from traditional software startups, requiring hands-on engagement and specialized resources beyond mere capital. HAX's mission is to empower founders to achieve unparalleled speed and global scale in developing complex physical products and systems.

Mission and Values

HAX operates with the core belief that "Hard problems in human & planetary health require hard tech solutions." This mission drives their investment strategy and program design, emphasizing deep technological innovation over incremental improvements. Their values center around active partnership, community collaboration, and long-term support for founders tackling significant global challenges. They are committed to getting their "hands dirty" alongside founders, reflecting a practical, engineering-first approach to startup acceleration.

Program Structure and Timeline

Startups can apply to HAX’s HQ in Newark, New Jersey, or to the HAX Plasma Forge in Princeton, New Jersey. Ideal applicants possess an initial prototype, customer insight, and a clear vision. The program is designed to fundamentally accelerate technical progress, with HAX investing and building alongside its founders. While a specific timeline isn't detailed, the program's emphasis on "unparalleled speed" suggests an intensive, milestone-driven structure. As startups achieve critical milestones, HAX provides support for fundraising strategy and facilitates investor introductions. As part of SOSV, HAX continues to invest in follow-on rounds from Fund V, indicating a long-term commitment to its portfolio companies.

Mentorship and Network

A crucial, often understated, aspect of the HAX program is its globally diverse community. This network comprises successful HAX founders who share their experiences, lessons learned, and willingness to help new cohorts. The community also includes a curated group of mentors, experts, and partners, all dedicated to providing hard tech startups with a competitive edge. HAX founders benefit from being part of the broader SOSV ecosystem, which spans the globe with over 800 startups operating in 58 countries. This extensive network provides invaluable connections and support.

Investment Terms

HAX invests in startups at the pre-seed stage, as part of SOSV's strategy of investing at startup inception. While specific funding amounts and equity percentages are not explicitly stated on the provided page, the program clearly states it "invests and builds alongside our founders." As part of SOSV, HAX also provides follow-on funding from Fund V as startups reach critical milestones, indicating a commitment to long-term financial support.

What Makes it Unique

HAX's uniqueness stems from its singular focus on hard tech for human and planetary health, its deep engineering resources, and its active, hands-on approach. Unlike many accelerators that primarily offer capital and mentorship, HAX positions itself as an extension of a startup's engineering, business development, fundraising, design, and marketing teams. This integrated support, combined with the backing of SOSV's global deep tech ecosystem, including events like the SOSV Deep Tech 100 and Climate Tech Summit, sets HAX apart.

Notable Outcomes

While specific company names are not listed on the provided page, HAX is part of the SOSV ecosystem, which boasts over 800 startups globally. The program's success is implied by its continued operation and its ability to attract founders tackling complex challenges, with SOSV continuing to invest in follow-on rounds.

What Participants Can Expect Day-to-Day

Participants can expect an immersive and intensive experience. HAX acts as an extension of their team, meaning daily engagement with HAX engineers, business development specialists, and other experts. The environment is collaborative, with founders working closely with the HAX team to overcome technical hurdles and accelerate product development. There will be a strong emphasis on achieving critical milestones, with ongoing support for fundraising and strategic development. Founders will be expected to be hands-on and deeply involved in the technical and business aspects of their ventures.

What You Get

  • $250,000 to $500,000
  • Investment capital
  • Engineering resources and support
  • Globally diverse community of founders
  • Curated mentor and expert network
  • Business development support
  • Fundraising strategy and investor introductions
  • Follow-on investment from SOSV Fund V
  • Access to SOSV's global ecosystem and events

Eligibility

Startups should have an initial prototype, customer insight, and a clear vision. They must be working on hard tech solutions for human and planetary health challenges. The program is open to global applicants, with HAX HQs in Newark and Princeton, New Jersey.

Deadline
Dec 31, 2026
Location
Remote
Format
In Person
Funding
$250,000 to $500,000

Organizer

H

HAX (SOSV)

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