---
id: "entity-d-daryl-wyckoff"
type: "entity"
entityType: "person"
canonicalName: "D. Daryl Wyckoff"
aliases: ["Daryl Wyckoff"]
source_timestamps: ["¶6"]
tags: ["academic"]
related: ["concept-bermuda-triangle-management"]
sources: ["tail1"]
sourceVaultSlug: "hbr-seg-tail1"
originDay: 1
articleStem: "hbr-tail-105-fast-growing-better-decisions"
sourceUrl: "https://hbr.org/2026/05/how-fast-growing-companies-can-make-better-decisions"
sourceTitle: "How Fast-Growing Companies Can Make Better Decisions"
---
# D. Daryl Wyckoff

**Profile.** Late Harvard Business School professor.

**Role in this source.** Cited as the originator of the term [[concept-bermuda-triangle-management|Bermuda Triangle of Management]], describing the dangerous transitional phase for fast-growing ventures (see [[quote-bermuda-triangle]]).

**Attributed contribution to this vault:** the coining of the Bermuda Triangle of Management concept.

> **Enrichment.** A canonical public biography for Wyckoff could not be verified from the provided research set; the attribution of this term to him should be treated as a claim needing independent confirmation.