# Zachary Irwin

> Zachary Irwin is the co-founder and CEO of Downstream, a Dallas-based marketplace that lets contractors book equipment rentals, dumpsters, portable toilets, and site services with a few taps - the way you might order a pizza. Started in 2022 as 'Trash Gurus' and rebuilt into an AI-driven procurement platform with 100,000+ listings, Downstream raised an $8M Series A in November 2025 co-led by Brick & Mortar Ventures and Moneta Ventures. Irwin came to construction's least glamorous corner from an unlikely place: years as a healthcare-software (Epic) consultant building oncology and pharmacy systems across 22 states.

- **Role:** Co-Founder & CEO at Downstream
- **Organizations:** Downstream (trydownstream.com), Trash Gurus, Doorside Waste
- **Nationality:** American
- **Education:** B.S. in Biology (with Chemistry and Sports Medicine), University of Northern Iowa
- **Known for:** Co-founded and scaled Downstream from a valet-trash startup into a nationwide construction procurement marketplace, Raised an $8M Series A in November 2025 co-led by Brick & Mortar Ventures and Moneta Ventures, with FJ Labs and Victorum Capital, Built a marketplace with 100,000+ listings across 23 categories of equipment, waste, and site services

## Career timeline

- **Pre-2020** — Healthcare Informatics Consultant at Bryan Health and Barnes-Jewish Hospital
- **2020-2022** — Epic Beacon consultant at Renown Health and Trinity Health, building oncology and pharmacy EMR systems across 22 states
- **2022** — Co-founded Doorside Waste and launched Trash Gurus, a commercial waste/valet-trash startup in Dallas (September 27, 2022)
- **2022** — Downstream/Trash Gurus reaches $1.1M GMV shortly after mid-October launch, with 148% average QoQ growth
- **2024-2025** — Rebrands and expands into Downstream, an all-in-one equipment rental, waste, and site-services marketplace with 100,000+ listings
- **2025** — Raises $8M Series A (Nov 3-5, 2025) co-led by Brick & Mortar Ventures and Moneta Ventures at a reported $34M valuation

## Achievements

- Co-founded and scaled Downstream from a valet-trash startup into a nationwide construction procurement marketplace
- Raised an $8M Series A in November 2025 co-led by Brick & Mortar Ventures and Moneta Ventures, with FJ Labs and Victorum Capital
- Built a marketplace with 100,000+ listings across 23 categories of equipment, waste, and site services
- Reached $1.1M GMV with 117% net retention and 148% average quarter-over-quarter growth in the company's early stage
- Grew the team to roughly 53 employees

## Latest updates

- **2025-11** — Downstream announced an $8M Series A co-led by Brick & Mortar Ventures and Moneta Ventures, with FJ Labs and Victorum Capital participating, at a reported $34M valuation.

## Links

- Website: https://trydownstream.com
- LinkedIn: https://www.linkedin.com/in/zacharypirwin/
- Twitter/X: https://x.com/trydownstream
- Instagram: https://instagram.com/trydownstream
- Facebook: https://www.facebook.com/trydownstream

---

Profile page: https://yespress.io/zachary-irwin
Published by YesPress — https://yespress.io
Last updated: 2026-07-07