Fundraising Fox

Simple AI

YC S24

San Francisco, US · Founded 2024 · 11 employees · Hiring · 5 known investors

Simple AI builds AI agents for revenue teams that automate customer interactions across voice, text, chat, and email channels. The agents perform sales and support tasks like booking appointments, following up on leads, handling objections, and personalizing recommendations to close deals.

Also known as TBD

Founders & leadership· Y Combinator alumni (S24)

Simple AI was founded in 2024 by Catheryn Li and Zach Kamran.

CLCatheryn Li
Catheryn Liin𝕏Co-Founder & CEOShe previously led software engineering at Y Combinator for four years, overseeing Startup School and related internal platforms, and holds degrees in computer science and mathematics from MIT.
ZKZach Kamran
Zach Kamranin𝕏Co-Founder & CTOZach Kamran is co-founder of Simple AI and previously worked on Bookface while at Y Combinator.

Investors · 5

Also in the syndicate · 1

First Harmoniclead

Funding

SEC filings, press & company announcements

$14M disclosed across 1 of 4 rounds · 2026

Source: company announcements and press reports — follow each round's link for the claim.

Images

Simple AI photo

Competitors · 10

by search overlap
Dialpad21 shared keywordsDialpad provides a platform that transforms customer conversations into actionable intelligence for businesses. The company serves organizations seeking to improve their operations through conversation analytics and insights.
Synthflow AI21 shared keywordsSynthflow provides a platform for building AI voice agents using a modular, API-connected builder with in-house telephony, testing sandbox, real-time call monitoring, and data fine-tuning. It targets enterprises that need to deploy and manage voice automation at scale.
Goodcall19 shared keywordsGoodcall provides conversational AI phone agents that handle inbound business calls, answering common customer questions, managing appointments via calendar integrations, capturing leads into CRMs, and transferring or escalating to staff when needed. It serves businesses of all sizes, from solopreneurs to publicly traded companies, across industries.
Curious Thing18 shared keywordsVoice AI for customer engagement, supporting onboarding, validation and surveys through natural conversations.
Smith17 shared keywordsSmith.ai provides an AI Receptionist backed by optional North America-based human agents that screens calls, books appointments, handles payment collection, and updates CRMs for mid-market companies. It also offers Virtual Receptionist plans staffed by live agents available 24/7, plus call analytics and transcription dashboards.
Lindy17 shared keywordsLindy is an AI executive assistant that manages email, schedules meetings, takes notes, and handles administrative tasks for individual professionals and teams. It integrates with email, calendar, and hundreds of third-party applications to automate workplace busywork.
Voiceflow Black15 shared keywordsVoiceflow provides a platform for building AI agents that handle customer interactions, starting with customer support. The company serves businesses looking to deploy conversational AI across customer-facing channels.
Phonely15 shared keywordsPhonely builds AI receptionists that answer phone calls, schedule appointments, and provide customer support for businesses. The platform serves enterprises and regulated industries like healthcare that need to automate high-volume customer interactions while maintaining compliance.
Simplified14 shared keywordsSimplified offers Riley, an AI marketing assistant that plans, creates, publishes, and reports on marketing content, with the user approving work before it ships. It targets founders and lean teams who want to run marketing without hiring a dedicated team.
RingCentral14 shared keywordsRingCentral provides cloud-based unified communications and AI-powered contact center solutions for businesses, serving over 600,000 customers worldwide. The platform integrates voice, video, messaging, and conversation intelligence to enable secure, efficient enterprise communications.

Companies competing with Simple AI for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Frequently asked questions

What does Simple AI do?
Simple AI builds AI agents for revenue teams that automate customer interactions across voice, text, chat, and email channels. The agents perform sales and support tasks like booking appointments, following up on leads, handling objections, and personalizing recommendations to close deals.
Who founded Simple AI?
Simple AI was founded by Catheryn Li, Zach Kamran in 2024.
Who are Simple AI's investors?
Simple AI's investors include Samsung Next, Y Combinator, Massive Tech Ventures, True Ventures.
How much funding has Simple AI raised?
Simple AI has disclosed $14M raised across 1 of its 4 known rounds.
Where is Simple AI headquartered?
Simple AI is headquartered in San Francisco, US.