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Robbie Horwitz

Partner·Addition

New York, New York, United States

Bio

Professional summary

Robbie Horwitz is a Partner at Addition, where he invests in early- and growth-stage technology companies. He previously worked at Silver Lake as a principal and has an undergraduate degree from the Wharton School of the University of Pennsylvania. Public deal references connect him to Modern Animal and Hello Vet.

Notable companies

Selected portfolio companies the partner has backed

Modern AnimalHello Vet

Background

Career, education, and skills

Career history

  • AdditionPartner
  • Silver LakePrincipal

Education

  • The Wharton School of the University of PennsylvaniaUndergraduate degree

Other partners at Addition

7 more profiles

Aaron Schildkrout

Aaron Schildkrout

Investor

Addition

Founding Addition investor, Motive board member, and former Uber growth and product executive.

Data infrastructureEnterprise softwareGrowth stageHealth technologyLogistics
Aasim Maknojia

Aasim Maknojia

Investor

Addition

Addition investor focused on consumer internet, enterprise, and fintech.

Consumer internetEnterpriseFintechSeedSeries ASeries B
Brandon Sack

Brandon Sack

Addition

Investor profile data links him to data services and consumer internet investing.

Consumer internetData servicesSeedSeries A
JS

Jack Spiegel

Investor

Addition

Addition investor focused on venture capital and growth equity.

Consumer internetEnterpriseFintechGrowth equityVenture capital
Lee Fixel

Lee Fixel

Founder and Managing Partner

Addition

Founder and Managing Partner of Addition, formerly Partner and head of private equity at Tiger Global Management.

fintechinfrastructuresoftware
Roshni Chandwani

Roshni Chandwani

Investor

Addition

Addition investor focused on consumer internet, enterprise, and fintech.

Consumer internetEnterpriseFintechSeedSeries ASeries B
Todd Arfman

Todd Arfman

Partner

Addition

Addition partner focused on early- and growth-stage technology investments.

AICybersecurityEarly stageEnterprise softwareGrowth stageQuantum technologies