2x founder

Michael Jeffords

Co-Founder @ Conifer (YC S26)

Co-founder

Conifer· Summer 2026 🇺🇸 San Francisco, California, United States

in LinkedIn 𝕏 @michaelbjeff

2026Co-founder· Conifer (YC S26)

Founder · since 2025

Company

Conifer (YC S26)

Role

Co-Founder

current

Stage

—

no public source

Raised

—

no public source

Based

San Francisco, California, United States

current

Founder / co-founder — the company's markEmployee / research role

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

Conifer

Local-first least cost routing system to reduce 80%+ token spend

Summer 2026

Experience

Career

Conifer (YC S26)
Co-founder
Co-Founder · San Francisco, California, United States · 2026 – Present
2026
The HeartCheck Foundation
Co-founder
Executive Director / Co-Founder · 2025 – Present
2025
The University of Texas at Austin
College of Natural Sciences Representative · 2026
2026
The University of Texas at Austin
Hearts for the Homeless · Austin, Texas, United States · 2024 – 2026
2024
Dell Medical School at the University of Texas at Austin
Shadow - Dell Med Vascular Surgery Division · 2025 – 2026
2025
Dell Medical School at the University of Texas at Austin
Researcher - Dell Med Institute of Vascular Surgery · 2025 – 2026
2025
HCA Healthcare
PCT - ICU/CVICU · 2025 – 2026
2025
St. David's HealthCare
Emergency Department Aide · 2024 – 2026
2024
UT Health San Antonio
Collaborative Research Project · San Antonio, TX · 2023 – 2025
2023
UT Health San Antonio
Student Researcher · San Antonio, Texas, United States · 2020 – 2023
2020
American Medical Response
Emergency Medical Technician · 2024 – 2025
2024
Jackson Orthopedics
Shadow Experience · San Antonio, Texas, United States · 2024
2024

Bio

Co-founder at Conifer (YC S26). Previously co-founded The HeartCheck Foundation, scaling free hypertension screenings to 20+ barbershops and over 10,000 individuals. Engineered an ML-driven computer vision pipeline using pose estimation for early-onset ALS and Parkinson's detection. Former clinical researcher at the Dell Med Institute of Vascular Surgery and UTHSC, specializing in hematopoetic stem cell transplantation, achieving infiltration levels >90% in mouse models.