Is Horizon 3 hiring right now?

Horizon 3 has no open roles listed as of October 24, 2026. Roles appear here as soon as they are posted on Horizon 3's careers site.

Where is Horizon 3 headquartered?

Horizon 3 is headquartered in Los Altos, United States.

Leonard Speiser, Founder & Managing Partner, is at the top of Horizon 3's org chart.

How do I apply for a job at Horizon 3?

Pick a role on Horizon 3's TheJobsMap page and select Apply. Every listing links to the original posting on Horizon 3's own careers site, so you apply directly with the employer.

Horizon 3 jobs and careers

Los Altos, United States

As of October 24, 2026, Horizon 3 has no open roles listed.

horizon3.net LinkedIn

About Horizon 3

Horizon 3 Venture Studio funds and founds startups focused on enterprise software. We found four companies a year in areas including Fintech, InvestmentTech, Sales, HR, Finance and Development.

Founded by Leonard Speiser.

Enterprise Software Finance FinTech Venture Capital

Employees: 11 to 50
Headquarters: Los Altos

Leadership

The top of Horizon 3's org chart, with how many people report into each leader.

Leonard Speiser

Founder & Managing Partner

5 reports

Daniel O'Shea

Partner

Vi do

Partner

Ronnie Mongan

Partner

Kent Nelsestuen

Partner

Allen Liu

Partner

Jobs at Horizon 3

No open positions right now. Explore more companies on TheJobsMap.

Horizon 3 jobs: common questions

Is Horizon 3 hiring right now?: Horizon 3 has no open roles listed as of October 24, 2026. Roles appear here as soon as they are posted on Horizon 3's careers site.
Where is Horizon 3 headquartered?: Horizon 3 is headquartered in Los Altos, United States.
Who leads Horizon 3?: Leonard Speiser, Founder & Managing Partner, is at the top of Horizon 3's org chart.
How do I apply for a job at Horizon 3?: Pick a role on Horizon 3's TheJobsMap page and select Apply. Every listing links to the original posting on Horizon 3's own careers site, so you apply directly with the employer.