Background

An operating life, still in progress.

F.M. “Skip” Middleton III is a technology operator, board advisor, inventor, and founder of Sinteag Ventures. His work spans business development, international markets, and the practical work of making technology useful.

Selected chronology

Business first.
Across disciplines.

This is a concise account of selected public operating and advisory work.

Earlier operating work

Internet businesses and international expansion

A senior executive role at Inbox.com included working with the founder on international expansion. A later TYMLEZ company announcement described the operating contribution and reported substantial EBITDA growth over a seven-year period.

Read the historical company record (PDF) ↗

Documented in 2019

Pioneer Corporation advisory board

Historical non-executive advisory-board work at Pioneer is documented in the December 2019 TYMLEZ announcement. It is also described in the contributor biography accompanying Skip’s 2025 Well News commentary.

2019–2020 public records

Commercial development with TYMLEZ

TYMLEZ announced Skip’s appointment as an advisor to its board in December 2019. Subsequent filings describe an advisory-services relationship with Sinteag focused on commercial development.

TYMLEZ annual report (PDF) ↗

Today

Sinteag Ventures

Skip remains actively involved in research, development, and commercialization across cybersecurity, AI-system control, energy infrastructure, operating software, and industrial market opportunities.

Explore current work ↗

Away from the desk

A quiet place
to come home to.

He lives happily atop a very quiet mountain pass in the Appalachians with his wife and son.

Public identity

One person.
A few forms of the name.

F.M. “Skip” Middleton III, Skip Middleton, and Frederick M. Middleton III refer to the same person. The public research record uses Skip Middleton.

For a specific professional, research, or historical question, contact Skip directly.