Where does Guy Miasnik work?

Guy Miasnik is CEO and Chairman of Chario and Operating Partner, Chair of J-Advisory at J-Ventures.

What check size does Guy Miasnik write?

Guy Miasnik typically writes checks of $250K – $1M.

Where did Guy Miasnik go to school?

Guy Miasnik studied at Harvard Business School (MBA, Business); Technion - Israel Institute of Technology (B.Sc., Electrical and Computer Engineering); Tel Aviv University (Bachelor of Laws - LLB).

Guy Miasnik

InvestorFounder

Operating Partner, Chair of J-Advisory at J-Ventures · CEO and Chairman at Chario

San Francisco Bay Area

Writes $250K – $1M checks

FoundedChario

Find your path to Guy

143 people in our graph can introduce you to Guy.

Each arrow is one introduction. Sign up to fill in the first one.

Ask William P. Crowell to introduce you to Guy

You →William · together at Hidden Level (2021–2026) →Guy

Ask Jamie Chen to introduce you to Guy

You →Jamie · 3 people · together at Hidden Level →Guy

Ask Sam Okafor to introduce you to Guy

You →Sam · 8 people · together at J-Ventures →Guy

Your email: the people you already email who know Guy
2nd- and 3rd-degree connections: people you know who worked, studied or invested with Guy
Your LinkedIn: the connections who can make the intro for you

We rank every route by how warm it is, so you raise on warm intros instead of cold emails.

About

Guy Miasnik, CEO of Impala and AtHoc founder, is an Israeli-American entrepreneur with deep mission-critical security communications expertise who connects Israeli startups to U.S. markets and leads tech missions to Israel.

Invests in

AI & Machine LearningCybersecurityEnterprise SoftwareFintechHealthtech

CEO and Chairman at Chario

Experience

ImpalaChairman and CEOcurrent2025 — presentNew York, United States
ImpalaExecutive Chair of the Board of Directorscurrent2023 — presentNew York, United States
Miasnik VenturesManaging Partner, Entrepreneur and Investorcurrent2019 — presentSan Francisco Bay Area
PrivainiStrategic Advisor and Investorcurrent2023 — present
Hidden Level Inc.Strategic Advisor and Investorcurrent2021 — present
J-Ventures FundInvestor and Advisory Team Membercurrent2019 — presentSan Francisco Bay Area
BlackBerryChief Strategy Officer (CSO)2017San Francisco Bay Area
BlackBerryDivision President, Crisis Communication Division (AtHoc)2015 — 2017San Francisco Bay Area
BlackBerry AtHocCo-Founder and CEO of AtHoc (acquired)2005 — 2015San Francisco Bay Area
AtHoc 1.0Co-Founder and CEO1999 — 2004San Francisco Bay Area
Kinetica Internet SolutionsCo-Founder and CEO (acquired)1996 — 1998Israel
Israel Defense ForcesCaptain1991 — 1996
Technion - Israel Institute of TechnologyDirector, Computer Science Education, Program for the Advancement of Technological Manpower1988 — 1990

Skills & more

Enterprise Software25SaaS20EntrepreneurshipInnovation ManagementNonprofit OrganizationsEdtechEducationStart-up VenturesMentorshipVenture CapitalGovtechGrowth

+12 more

Product StrategyFundraisingOrganizational CultureStart-ups ManagementBusiness StrategyNew Business DevelopmentStart-upsStrategyLeadershipCloud ComputingSecurityProduct Management

Private Pilot — Federal Aviation Administration

From Guy's professional profile.

Colleagues at J-Ventures

Aaron Tartakovsky

Founding Partner at J-Ventures

Dan Rubinstein

Operating Partner at J-Ventures

David Meister

Venture Partner at J-Ventures

David Wagonfeld

Partner at Tandem Capital

Doron Simon

Venture Partner at J-Ventures

Emre Onder

Advisor at J-Ventures

Eran Sandhaus

Venture Partner at Next Gear Ventures

Gil Frostig

General Partner at J-Ventures

Frequently asked questions

Who is Guy Miasnik?: Guy Miasnik, CEO of Impala and AtHoc founder, is an Israeli-American entrepreneur with deep mission-critical security communications expertise who connects Israeli startups to U.S. markets and leads tech missions to Israel.
Where does Guy Miasnik work?: Guy Miasnik is CEO and Chairman of Chario and Operating Partner, Chair of J-Advisory at J-Ventures.
What does Guy Miasnik invest in?: Guy Miasnik invests in AI & Machine Learning, Cybersecurity, Enterprise Software, Fintech, Healthtech.
What check size does Guy Miasnik write?: Guy Miasnik typically writes checks of $250K – $1M.
What companies did Guy Miasnik found?: Guy Miasnik founded Chario.
Where did Guy Miasnik go to school?: Guy Miasnik studied at Harvard Business School (MBA, Business); Technion - Israel Institute of Technology (B.Sc., Electrical and Computer Engineering); Tel Aviv University (Bachelor of Laws - LLB).

Founder mafias

Harvard Business School mafia1,245

Also came through, then founded or led a company.

Brad GerstnerMBAFounded Altimeter Mike Maples JrMBAFounded Pattern Breakers Hristo BorisovOPM Class 64Founded Payhawk Noubar AfeyanVisiting LecturerFounded ProFound Therapeutics +16 Wade MyersMBAFounded RealManage +6 Merrill AnovickMaster of Business Administration - MBAFounded Lynd Clinical +3

+ 1,238 more →

Tel Aviv University mafia388

Also came through, then founded or led a company.

Shlomo KramerBsc.Founded Check Point Software +2 Aviv EyalB.CSFounded Skillful +2 Amichay OrenBs.c.Founded vitronet +2 Nir ZoharBSc. EE.Founded Chakratec +2 Eyal ShinarFounded Black Ore Technologies +1 Irit YanivMBAFounded Digma Medical +1

+ 381 more →

Technion mafia218

Also came through, then founded or led a company.

Amichai ShulmanAdjunct TeacherFounded Kanopy Security +2 Benny SchnaiderBScFounded Salto +2 Shahar ErezMBAFounded Arato +2 Dan DinnarFounded Hexatier +1 Ben BernsteinBAFounded Twistlock +1 Mickey BoodaeiM.Sc.Founded Transmit Security +1

+ 211 more →

J-Ventures mafia6

Also came through, then founded or led a company.

Igor TaberLimited Partner and AdvisorFounded Cortical Ventures Aaron TartakovskyFounding PartnerFounded Epic Cleantec Dan RubinsteinOperating PartnerFounded Physera Doron ReuveniOperating PartnerFounded Applause Marc RochmanLimited PartnerFounded Openbucks

Same school

Also attended Harvard Business School2,000

Aileen LeeFounder & Managing Partner of Cowboy Ventures Jim BreyerFounder & CEO of Breyer Capital Mike Maples JrCo-founding Partner at Floodgate Neeraj AgrawalGeneral Partner at Battery Ventures Hristo BorisovCo-founder & CEO of Payhawk Victoria TreygerGeneral Partner at Felicis Ventures

+ 1,994 more

Also attended Technion - Israel Institute of Technology367

Roi Bar-KatManaging Director at Intel Capital Gil GorenPartner at 83North Oren YungerInvestor at GGV Capital Tuvia BarakVenture Partner at Lux Capital Gordon DaughertyCo-Founder & Chairman at Capital Factory Boaz PeerManaging Director, Israel & Europe at Qualcomm Ventures

+ 361 more

Also attended Tel Aviv University809

Arnon DinurPartner at 83North Yoram SnirPartner at 83North Raz MaysharSenior Manager at Qualcomm Ventures David GoldschmidtManaging Director, Head of the Fund at Samsung Catalyst Fund Amit ShofarSr. Investment Director at Samsung Catalyst Fund Rutie AdarInvestments & Innovation Sr. Director, Israel at Samsung Catalyst Fund

+ 803 more

Shared employers

+ 106 more

Also worked at BlackBerry AtHoc1

Omer GotliebAngel

Find your path to Guy

About

Invests in

CEO and Chairman at Chario

Experience

Skills & more

Colleagues at J-Ventures

Frequently asked questions

Founder mafias

Harvard Business School mafia1,245

Tel Aviv University mafia388

Technion mafia218

J-Ventures mafia6

Same school

Also attended Harvard Business School2,000

Also attended Technion - Israel Institute of Technology367

Also attended Tel Aviv University809

Shared employers

Also worked at Impala1

Also worked at Hidden Level Inc.6

Also worked at BlackBerry112

Also worked at BlackBerry AtHoc1