What stage does Ace Capital Partners invest at?

Ace Capital Partners invests at the Series A, Series B stages.

What sectors does Ace Capital Partners focus on?

Ace Capital Partners focuses on Deep Tech, Defense Tech, Space Tech.

Where is Ace Capital Partners located?

Ace Capital Partners is headquartered in Hezliya, IL.

Ace Capital Partners

Venture capital

Hezliya · Series A–Series B · 9 people tracked

Also known as Ace Capital

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Investment thesis

Ace Capital Partners focuses on identifying, investing in, and supporting promising startups shaping the future of aerospace and defense technology. It invests predominantly in Series A and B rounds across civilian and military aerospace and defense verticals. Investments are global with a specific focus on Israel. The firm believes there is large, largely untapped potential in the defense tech sector and aims to unlock it, offering portfolio companies support that goes beyond capital by leveraging the team's operational and military expertise.

Invests inDeep Tech Defense Tech Space Tech Global Israel

Source: firm website, verified Aug 3, 2026.

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Stage

Series A–Series B

Hezliya, IL

Instruments

Equity

Founded

2024

Last 12 months

1 investment

Tracked investments

Team · 9 people

from the firm's website & curated & public directories

Danny· Co-Founder· Crestview, Florida, United States

Co-Founder and Managing Partner at Key1 Capital. He spent 10 years at Goldman Sachs in Tel Aviv, leading TMT investment banking advisory work and later heading its investment banking practice, and previously worked at JPMorgan, Credit Suisse, and AIG in New York. He holds an MBA from Columbia Business School (2003) and a BBA from Temple University (1997).

Sarel· Co-Founder

Co-Founder and Managing Partner at Key1 Capital. He was previously CEO of Goldman Sachs Israel and Head of its Growth Markets Financing Group in London, joining Goldman Sachs in New York in 2001. He was formerly an IT engineer at Phillips Medical Systems and a Captain (Ret.) in the Israeli Military. He holds an MBA from the University of Chicago Booth (2002) and a B.Sc. from the Technion (1999).

Shimon· Co-Founder, Managing Partner

Co-founder and CEO of Aerospace Spirit. He commanded the Israeli Air Force's technology sector as Head of the Materiel Directorate (BG) and retired after 28 years as an engineer and technology expert managing hundreds of development projects. He holds an MA from Haifa University (2013), an MBA from Ben-Gurion University (2001), and a B.Sc. from the Technion (1995).

Amikam Norkin· Co-Founder, managing partner· Tel Aviv-Yafo, Tel Aviv District, Israelin

Venture Partner and former Commander of the Israeli Air Force (2017-2022), currently a Managing Partner at ACE, a defense tech investment firm partnered with Key1, and Co-founder and Chairman of Aerospace Spirit.

Amit Pilowsky· Co-Founder, Partner· Herzliya, Israelin

Co-founder of Key1 Capital who previously spent seventeen years in leadership roles at Goldman Sachs in London and Tel Aviv, including heading the Consumer and Retail team at the Cross Markets Group in EMEA, and served as a Squadron Deputy Commander in the Israeli Air Force.

amit.pilowsky@key1capital.com

Shimon Tsentsiper· Co-Founder, Managing Partner· Israelin

Venture Partner and former Head of the IAF Technology Sector who retired as a Brigadier General; currently a Managing Partner at ACE, a defense tech firm partnered with Key1, and Co-founder and CEO of Aerospace Spirit.

Asif· Office Manager· Greater Vancouver Metropolitan Area

Before joining Ace, Asif served in the Israeli Air Force coordinating forces in operational activity, and brings experience in office operations, human resources, and task management.

Ron· Associate· Tel Aviv-Yafo, Tel Aviv District, Israel

Before joining Ace, Ron worked at PwC Israel's economic department on financial analysis, valuations, and strategic planning, and served as finance manager at GOVO. He holds a B.A. in Economics and Accounting from Ben-Gurion University of the Negev.

Amit Avraham· Investment Professional· United Statesin

Before joining Ace, Amit was an economic analyst at the Ministry of Finance's Chief Economic Division and worked at a consulting firm and in venture capital. He led edge-technology development and integration in the Israeli defense forces and holds a B.A. in Philosophy, Political Science, and Economics from the Hebrew University of Jerusalem.

amit.avraham@ace-capitalpartners.com

What they invest in

from 2 of 2 portfolio companies

Cybersecurity ×1Deep Tech ×1Developer Tools ×1Enterprise Software ×1Hardware ×1SaaS ×1Space Tech ×1

HQs:Germany×1

Investments · 2 tracked

founders shown can be your intro path

By year:2026 · 1 2025 · 12 dated

HyImpulsehyimpulse.de in 𝕏Sep 2026

HyImpulse develops hybrid rocket propulsion systems and launch vehicles powered by paraffin-based technology to provide affordable, reliable access to low-Earth orbit for smallsat operators and space services customers.

Deep TechHardwareSpace TechNeuenstadt, DE

Christian(CEO)MarioKonstantin(COO)Ulrich(CTO)Christian Schmierer(Founder)Konstantin Tomilin(Founder)

Co-investorsGIMIC Ventures Bayern Kapital BW Capital Join Capital Robin Capital

Jscramblerjscrambler.com in 𝕏Feb 2025 · $5.2M

Jscrambler provides client-side security software that monitors and controls third-party and AI-powered scripts running in the browser to prevent supply chain attacks, data leaks, and code tampering.

CybersecurityDeveloper ToolsEnterprise SoftwareSaaS

Rui Ribeiro(CEO & Co-Founder)Pedro Fortuna(CTO & Co-Founder)

Co-investors33N Bright Pixel Capital Chamaeleon Sonae IM Iberis Capital Portugal Ventures

Portfolio news

latest coverage across their companies

HyImpulse raises €50M+ to turn paraffin rockets into a launch business

HyImpulse · runtimewire.com · Sep 2, 2026

Frequently asked questions

What stage does Ace Capital Partners invest at?: Ace Capital Partners invests at the Series A, Series B stages.
What sectors does Ace Capital Partners focus on?: Ace Capital Partners focuses on Deep Tech, Defense Tech, Space Tech.
Where is Ace Capital Partners located?: Ace Capital Partners is headquartered in Hezliya, IL.

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