Jobs with Startups
JobsStartupsInvestorsMCP
Startups

Leafpress

Leafpress logo

Leafpress

AI Energy Management

trycardinal.ai
1-10
B2B

Company research

Public company, workplace, funding, and market signals

Updated Jul 30, 2026

Overview

Leafpress was the original company name; the public brand at trycardinal.ai is now Cardinal. Public materials show a transition from AI utility/energy-data software for ESG and real-estate workflows to Cardinal, an AI platform for precision outbound sales and GTM automation for fast-growing teams.

Primary product

AI platform for precision outbound sales and GTM workflow automation

Founded

2023

Headquarters

San Francisco, CA, United States

Team size

1-10

Work style

Onsite

Industry

Software Development

Sub-industry

AI outbound sales automation

Offices

San Francisco, CA, United States

Business model

SaaS
software + service
usage-based pricing

Funding

Stage

pre-seed

Total raised

$500K

Latest round

Pre-Seed · Sep 2023

Latest amount

$500K

Pre-Seed

Sep 2023 · Y Combinator

$500K

Accelerator/Incubator

Jun 2023 · Y Combinator

People & investors

Leadership

Devishi Jha

CEO

Jianna Liu

CTO

Investors

Alumni Ventures
Alysia Silberg (Street Global)
Climate Capital
Collaborative Fund
Dorm Room Fund
General Catalyst
Leonis Investissement
Singularity Capital
Y Combinator

Work & culture

Founder-led, high-agency, fast-shipping, and unusually hands-on with customers; public copy emphasizes partnership, tight feedback loops, and doing the operational work alongside customers.

Work style

Onsite

Visa sponsorship

Limited

Compensation

Public job posts show base salaries from about $100K to $275K, with equity grants from 0.10% to 1.00%. At least one role explicitly offers visa sponsorship, while other roles require U.S. citizenship or existing work authorization.

Benefits

health insurance
dental insurance
vision insurance
unlimited PTO

Product & market

Pricing

Demo-led / custom quote; public docs also show a $0.03 per-page usage model for the API/docs.

Differentiators

  • —Combines software with high-touch GTM engineering support
  • —Replaces a multi-tool outbound stack with one workflow layer
  • —Uses YC-network distribution and founder credibility
  • —Fast customer iteration and hands-on support
  • —Targets precision outbound rather than spray-and-pray volume

Technology

Next.js
React
TypeScript
Tailwind CSS
FastAPI
Supabase (PostgreSQL)
Redis

Customers

40+ YC companies
Mintlify
Greptile
Luminai
Deepgram
Giga
Bilanc
Voxel Energy
Cardinal Gray
Claybird
Docsum
Kaizen
General Legal
Imprezia
Cyberdesk

Competitors

HubSpot
Outreach
Salesloft
Orum
SaaS Labs
Convoso

Scale & contact

team@trycardinal.ai

Signals & risks

Acquisition
Jan 2026

Devi Jha announced that Leafpress was joining forces with Johnson Controls, indicating the original Leafpress business was acquired or absorbed into Johnson Controls.

Source

Latest news

Claude's Corner: Cardinal, The YC-to-YC Outbound Ma…

StartupHub.ai · Jun 2026

Discusses Cardinal's GTM automation product, founder background, YC network distribution, and competitive positioning.

Ex-YC Founders Sold Their Energy Company and Came Back to YC to Build AI Precision Outbound

Yeamt · May 2026

Profiles the founders' move from Leafpress to Cardinal, describing the outbound use case, YC customers, and San Francisco base.

Leafpress

Forbes · Jan 2024

Forbes profiled Leafpress as a company helping large real estate owners and tenants collect and report carbon emissions using AI.

Our favorite startups from YC's Summer 2023 Demo Day, Day 1

TechCrunch · Sep 2023

TechCrunch highlighted Leafpress at YC Demo Day as a startup automating ESG data collection for commercial real estate buildings.

Cardinal: AI Platform for Precision Outbound

Y Combinator

Launch announcement describing Cardinal as an AI platform for precision outbound, built by Devi Jha and Jianna Liu for YC companies and GTM teams.

Cardinal company pageCardinal customers pageCardinal docs FAQsCardinal docs pricingCardinal product pageLeafpress blogLeafpress LinkedIn companyLeafpress team/aboutLeafpress X/TwitterWork at a Startup careers page
SourcesCardinal homepageCardinal company pageCardinal product pageCardinal customers pageY Combinator company pageY Combinator launch pageLeafpress home pageLeafpress team/about pageLeafpress blogLeafpress LinkedIn company pageLeafpress status pageWork at a Startup company pageCardinal docs pricingCardinal docs FAQsForbes Leafpress profileTechCrunch YC Demo Day Day 1

Jobs and careers at Leafpress

0 jobs at Leafpress

No open positions

Check back later for new openings

Explore startup hiring

Startup Hiring PulseBrowse all startup jobsJobs at Y Combinator startupsJobs at AI startupsJobs at early-stage startupsJobs at venture-backed startupsB2B startup jobs

Jobs with Startups © 2026

Browse jobsMCP guideAboutPowered by Supabase