---
id: "entity-saybrook"
type: "entity"
entityType: "organization"
canonicalName: "Saybrook"
aliases: ["Saybrook Capital", "Saybrook Management"]
source_timestamps: ["§ Author Bios"]
tags: ["private-equity"]
related: ["entity-jonathan-rosenthal"]
sources: ["governance"]
sourceVaultSlug: "hbr-seg-governance"
originDay: 7
articleStem: "hbr-sig-59-consensus-decision-making"
sourceUrl: "https://hbr.org/2026/04/decision-making-by-consensus-doesnt-work-in-the-ai-era"
sourceTitle: "Decision-Making by Consensus Doesn’t Work in the AI Era"
---
# Saybrook

**Entity type:** organization · **Canonical name:** Saybrook

A ~30-year private-equity firm where co-author [[entity-jonathan-rosenthal]] serves as Chairman & CEO. The firm specializes in control investments, restructuring, and transformation work across complex, asset-intensive industries — the practical grounding for the article's turnaround-oriented decision architectures.

**Canonical reference (from enrichment):** Saybrook firm website.