What technologies does 43 use?

43 uses Gmail, Google Apps, Google Cloud Hosting, Android, Remote. View their full technology stack — including all 29 detected tools — on StackWho.

Who is the Co-Founder of 43?

Anabel Paksoy is the Co-Founder at 43. Get verified contact information on StackWho.

Who is the Co-Founder of 43?

Soso Sazesh is the Co-Founder at 43. Get verified contact information on StackWho.

43 is based in San Francisco, California, United States.

43

43.io

venture capital & private equity

43.io

San Francisco, California, United States

11-50 employees

LinkedIn Profile

About 43

preseed investing, venture capital & private equity principals, first check funding, pre-product investment, founder support, seed funding, early-stage funding, network leverage, venture capital, financial services, product/market fit, early investment, risk management, growth support, people operations, venture capital & private equity, high conviction investing, ambitious founders, supportive co-working space, vertical agnostic

43's Tech Stack

AI/ML

Database

Snowflake

Project Management

Monday.com

Design

Canva

Decision Makers at 43

3 contacts

Anabel Paksoy

Co-Founder

a***@43.io Sign up to view

Soso Sazesh

Co-Founder

s***@43.io Sign up to view

Dustin Dolginow

Founder

d***@43.io Sign up to view

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29 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

43 uses Gmail, Google Apps, Google Cloud Hosting among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

43's Position in the StackWho Database

• 43 is 1 of 4,994 venture capital & private equity companies tracked in StackWho.
• 4,988 venture capital & private equity companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 2,450 venture capital & private equity companies are in the 11-50 employee range (same size as 43).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does 43 use?

43 uses Gmail, Google Apps, Google Cloud Hosting, Android, Remote, Reviews, and 23 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at 43?

StackWho has verified email addresses for 3 decision makers at 43. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach 43 directly for sales, recruiting, or partnerships.

What industry is 43 in?

43 operates in the venture capital & private equity industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export 43's contact data?

Yes. StackWho Pro members can export decision maker contact data for 43 and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.