Guy Horowitz
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Guy Horowitz Email & Phone Number

Venture Partner at 33N Ventures
Location: San Francisco Bay Area, United States, United States 32 work roles 4 schools
1 work email found @telekom.de 4 phones found area 252 and 650 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 4 phones

Work email g****@telekom.de
Direct phone (252) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Venture Partner
Location
San Francisco Bay Area, United States, United States

Who is Guy Horowitz? Overview

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Quick answer

Guy Horowitz is listed as Venture Partner at 33N Ventures, based in San Francisco Bay Area, United States, United States. AeroLeads shows a work email signal at telekom.de, phone signal with area code 252, 650, and a matched LinkedIn profile for Guy Horowitz.

Guy Horowitz previously worked as Managing Partner at Esh.Vc and Partner, Growth Equity at Dtcp. Guy Horowitz holds Mba, Business Administration from University Of Haifa.

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Email format at 33N Ventures

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{first}.{last}@telekom.de
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Profile bio

About Guy Horowitz

Business Development and Corporate Development expert, combining rich venture capital experience with measurable successes in BD and strategy, building on a decade of entrepreneurship and start-up execution. An early member of the Microsoft ILDC team and the founder & GM of Deutsche Telekom Israel’s outpost; helped establish DTCP as a successful growth investor, with successful exits (Replay, FireGlass, DynamicYield, Guardicore and PerimeterX) and a promising portfolio still in play. Leadership skills (building successful teams in startups, corporate and VC), social skills (established long-standing connections at all levels across all positions I held) and proven investment management experience - with board positions in various B2B and cyber security companies.

Current workplace

Guy Horowitz's current company

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33N Ventures
33N Ventures
Venture Partner
California, United States
AeroLeads page
32 roles

Guy Horowitz work experience

A career timeline built from the work history available for this profile.

Managing Partner

Current

Investing in early stage companies and supporting them with Business Development, Strategy and Corporate Development activities. Portfolio includes Abad.ai, Bagel, Bono, Cynomi, Deeto, Digma, EverAfter, FormX, KarmaSuite, LightSpin (acquired by Cisco), Mesh Security, Monto, MyPart, Nominal, Opus Security and more. Advisor on corporate development.

Jun 2023 - Present

Partner, Growth Equity

Hamburg, Hamburg, DE

Serving entrepreneurs around the globe, and leading DTCP's investment efforts in Cyber Security, Marketing Tech, Digital Transformation, Dev Ops and beyond. Investor and/or board member in Anomali, Appsflyer, Dremio, DynamicYield, FireGlass, Guardicore, Morphisec, SafeBreach, PerimeterX and more.

Jun 2015 - Jul 2023

Investor

San Francisco, CA, US

Dec 2016 - Jun 2023

Board Member

Sunnyvale, California, US

Jul 2016 - Jun 2023

Investor

New York, New York, US

Mar 2023 - Mar 2023

Investor

Apr 2022 - Mar 2023

Investor

Tel Aviv, IL

Acquired by Cisco for $200M.

Aug 2021 - Feb 2023

Investor

Santa Clara, California, US

Jan 2022 - Jan 2023

Board Observer

San Mateo, California, US

Acquired by HUMAN for $1.4Bn.

Aug 2019 - Apr 2022

Investor

Tel Aviv, Tel Aviv, IL

Acquired by Akamai for $600M.

Mar 2019 - Sep 2021

Board Observer

Waltham, Massachusetts, US

Sep 2015 - Jun 2021

Board Advisor

Israel - USA - UK, IL

May 2014 - Jan 2021

Board Advisor

Tel Aviv, Tel Aviv, IL

Oct 2016 - Jan 2020

Board Observer

Fireglass - Acquired By Symantec (May 2017)

Acquired by Symantec for $250M.

Jan 2016 - Jul 2017

Board Observer

Replay Technologies - Acquired By Intel (March 2016)

Acquired by Intel for $175M.

Oct 2015 - Mar 2016

Vice President, Business Development & Venturing; Gm Deutsche Telekom Israel.

Bonn, Germany, DE

Corporate VP & Member of Deutsche Telekom’s Business Development and Venturing management team.

Sep 2012 - Sep 2015

Chairman

Worthing, West Sussex, GB

Co-founder of SWAN and its first chairman. Played a lead role in forming SWAN, a worldwide industry forum promoting the use of big data and advanced technologies in water networks, making them smarter, more efficient and more sustainable. In under 3 years, SWAN grew from 7 founding members to over 80 members from all over the world, and became a leading.

Sep 2010 - Jun 2013

Vice President Of Marketing & Business Development

'Top Rasko'​, Yehud, IL

Established the marketing group in TaKaDu and drove the product marketing and business development activities of the company, helping it gain global recognition and brand-equity in a highly conservative space. During my term, TaKaDu has grown from an unknown newbie to a market leader and trend-setter in the water technology sector. With strong endorsement.

Apr 2010 - Sep 2012

Principal

Investing in early stage companies and working with portfolio companies in the communication and enterprise software space, as board observer and advisor. I focused on emerging business models, Cloud Computing and Software-as-a-Service (SaaS) environments. Notable investments I worked on during this period: Totango, TaKaDu, WatchDox and EyeView. I also.

Nov 2008 - Apr 2010

Avp, Marketing Strategy

Kfar-Saba, IL

The marketing strategy team was chartered with aligning modu’s strategy across the organization.Lead decision-making processes relating to market focus, pricing, product mix, business models and business activities.Coordinated modu’s strategic initiatives in the value-added services space.Supported modu’s management in strategic engagements with partners.

Feb 2008 - Nov 2008

Director Of Product Marketing, Telecom Products

Redmond, Washington, US

Drove market analysis, business planning and strategy for an innovative communications platform.Defined business model, pricing strategy and SKU structure.Primary contact for all customer engagements and 3rd-party partnerships.Championed the product internally, aligning key stakeholders across Microsoft.Initiated and coordinated the early adoption program.

Feb 2007 - Jan 2008

Associate

Managed Gemini’s deal flow and participated in investment processes in technology companies (Semiconductor, Consumer Electronics, Communications, Enterprise Software and Consumer Internet). Took part in over 20 investment rounds totaling over $100M. Notable deals: PrimeSense, dbMotion, Adap.TV, Outbrain, Contextream, Panaya, Axanna, Xjet, MassiveImpact..

Apr 2004 - Mar 2007

Vp Of Product Marketing

Drove the definition of a new product category from the initial opportunity analysis to significant annual revenues within two years, and oversaw the lead generation and qualification activities in the telco space. Aligned product requirements and priorities across the organization (engineering, delivery, marketing and sales) and maintained a multi-year.

Jun 2001 - Apr 2004

Head Of Product Management

Reston, Virginia, US

Joined Followap shortly after the A round to bring Product management methodology and structure into the newly-funded startup. Headed a team of Product Managers defining the Followap product portfolio and working with operators from in Europe, such as D2 (Germany), Vodafone UK, Omnitel (Italy), Airtel (Spain), Panafon (Greece), Europolitan (Sweden) and.

Jun 2001 - Dec 2003

Product Manager

Commtouch

Product definition and specification for Commtouch’s mobile e-mail platform; Writing of MRD and FRS; Handling all PDM aspects during development, installation and testing phases until the commercial launch (at Orange Australia). Writing diverse instruction material, and tutoring of Orange and Comverse technical support teams abroad.

May 2000 - Jun 2001

Product Manager

Cleverup

Helped shape the company's product - a SaaS e-learning platform.

Jan 2000 - May 2000

Operational Planning And Control Manager

IL

Planning and Control in the AS Division. Resource allocation, recruitment and budget allocation in a complex multi-project software development environment. Developed and introduced innovative planning tools to support decision-making for software development team-leaders, project managers and division executives. Acquired and applied knowledge in TOC.

Jun 1998 - Jan 2000

Psychometric And Gmat Instructor

Ankori
Jun 1996 - Jun 1998
4 education records

Guy Horowitz education

Mba, Business Administration

University Of Haifa

Entrepreneurship Program

Technion - Israel Institute Of Technology

Ba, Economics

University Of Haifa

Business Administration

Rutgers University
FAQ

Frequently asked questions about Guy Horowitz

Quick answers generated from the profile data available on this page.

What company does Guy Horowitz work for?

Guy Horowitz works for 33N Ventures.

What is Guy Horowitz's role at 33N Ventures?

Guy Horowitz is listed as Venture Partner at 33N Ventures.

What is Guy Horowitz's email address?

AeroLeads has found 1 work email signal at @telekom.de for Guy Horowitz at 33N Ventures.

What is Guy Horowitz's phone number?

AeroLeads has found 4 phone signal(s) with area code 252, 650 for Guy Horowitz at 33N Ventures.

Where is Guy Horowitz based?

Guy Horowitz is based in San Francisco Bay Area, United States, United States while working with 33N Ventures.

What companies has Guy Horowitz worked for?

Guy Horowitz has worked for 33N Ventures, Esh.Vc, Dtcp, Appsflyer, and Safebreach.

How can I contact Guy Horowitz?

You can use AeroLeads to view verified contact signals for Guy Horowitz at 33N Ventures, including work email, phone, and LinkedIn data when available.

What schools did Guy Horowitz attend?

Guy Horowitz holds Mba, Business Administration from University Of Haifa.

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