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Sam Byrd

Managing Director

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At a glance

Full Name
Sam Byrd
Title
Managing Director; listed in third-party datasets as Managing Director (Metals & Mining)
Firm
Proterra Investment Partners
Firm Type
Alternative asset manager / private equity and private credit investor
Investment Stage
Series A through growth equity and selected control investments, based on Proterra Growth Equity criteria
Check Size
$3 million to $15 million equity investments, based on Proterra Growth Equity criteria
Target Company Profile
Commercially proven food and agribusiness companies with established revenue; Proterra’s Growth Equity strategy lists target enterprise value of $10 million to $100 million, run-rate revenue of $5 million to $100 million, and annual EBITDA of $0 million to $10 million
Sector Focus
Food and agribusiness; Proterra historically also disclosed natural-resource strategies across agriculture, food, and metals & mining
Geographic Focus
Rural United States for Proterra Growth Equity; Proterra also operates global food-value-chain strategies
Location
Greater London, England, United Kingdom

Background

Sam Byrd is publicly associated with Proterra Investment Partners, with LinkedIn showing him at the firm in London and third-party team databases listing him as a Managing Director, including the more specific title “Managing Director (Metals & Mining).” Proterra’s current public team page no longer lists Sam Byrd, so his current operating role could not be confirmed from the firm’s team page.

Public profile mirrors report that Byrd’s earlier career included technical and finance roles tied to the mining sector: Process Engineer at Teck Resources, Mill Engineer at Northgate Minerals Corporation, Vice President roles at Standard Bank and Deutsche Bank, and Portfolio Manager at Black River Asset Management. Those same sources report that he studied Mechanical Engineering at Queen’s University and earned an MBA in Finance from the University of Oxford.

Proterra Investment Partners launched as a standalone investment adviser and private equity fund manager on January 1, 2016, assuming management of certain private funds from Black River Asset Management, a wholly owned, independently managed Cargill subsidiary. SEC/IAPD-derived disclosures describe Proterra as managing private pooled investment vehicles and historically pursuing private equity strategies in agriculture, food, and metals & mining, plus private credit strategies for middle-market agribusiness companies.

Investment Thesis & Focus

  • Proterra’s current public positioning is “farm to fork”: private equity, private credit, and real estate investments across the food value chain from farmland to branded products.
  • Proterra Growth Equity targets “emerging high-growth companies in the food and agribusiness industries,” especially in rural areas of the United States.
  • The Growth Equity strategy says it seeks businesses benefiting from consumer demand for “sustainably grown, organic, clean label and ‘better for you’ products.”
  • Proterra looks for commercially proven companies with established revenue, differentiated ingredients or processes, and often an ESG component.
  • The Growth Equity strategy invests from Series A through growth equity and may selectively pursue control investments.
  • Historical Form ADV-derived disclosures describe Proterra private equity strategies as seeking early-stage natural-resource investments in agriculture, food, and metals & mining, including junior/mid-tier mining companies in selected metals and minerals.

Notable Investments

  • Lil Bucks — Sprouted buckwheat food brand; raised a $3 million Series A in September 2024 led by Proterra Investment Partners.
  • MyLand — Soil-health company using live native microalgae in a Soil as a Service model; closed $23 million in January 2025 led by Proterra Investment Partners.
  • AcreTrader — Farmland investment platform acquired by Proterra from Acres.com in August 2025; AcreTrader had enabled investments in over 140 farmland properties across 44,000 acres in 20 states.
  • Wyandot Snacks — Snack-food manufacturer; listed by Proterra Growth Equity as a completed financing, co-investor in buyout.
  • Abbiamo — Food company listed by Proterra Growth Equity as a completed financing, co-investor in buyout.

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