Leadership OS — Executive Coaching

Absorb.
Adapt.
Upgrade.

For senior leaders who refuse to become irrelevant. The Sponge Leader™ framework helps executives evolve faster than the world around them.

The Complete Leader
The Technology Leader
The Process Leader
The People Leader
Book 1 of 5
The
Sponge
Leader
Upgrade Your Leadership OS
David Sun
The Leadership OS Series
Five Books. One Complete System.
40+ Years Experience

YPO Founding Member

Apple Advisory Board

TTI Certified Coach

White House Award Recipient

Author · The Leadership OS Series

How I Work With You

Every service. One framework.

Whether you engage through a book, a keynote, or a multi-year coaching relationship — every touchpoint runs on the same Leadership OS foundation.

Executive Coaching

Long-term retained relationships. Quarterly OS reassessments. 15-month structured upgrade journeys for senior leaders.

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Mentoring

High-growth entrepreneurs and emerging executives. Cross-industry pattern recognition from 40 years across tech, retail, and global markets.

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Strategic Advising

Board-level advisory engagements. Business model clarity, go-to-market decisions, and leadership team alignment.

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Keynotes & Seminars

The Leadership OS live experience. Designed for leadership conferences, corporate offsites, and YPO forums.

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Webinars & Podcasts

Live and recorded formats. Dimension-specific deep dives, leadership conversations, and collaborative guest sessions.

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Strategy Planning Sessions

Facilitated half-day and full-day intensives. From 90-day leadership sprints to annual organizational OS audits.

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The Leadership OS Book Series

Five Books. One Complete System.

The most complete leadership development framework available. Books 1 and 2 are available now as digital downloads, audiobooks on Spotify, eBooks, and Kindle editions on Amazon.

Book 1

The Sponge Leader

The complete Leadership OS framework

📥 Buy Now
🎧 Spotify
📱 eBook
📚 Kindle

Book 2

The People Leader

Multiply performance in others

📥 Buy Now
🎧 Spotify
📱 eBook
📚 Kindle

Book 3

The Process Leader

Decision-making at scale

Coming Soon

Book 4

The Technology Leader

Leading through disruption

Coming Soon

Book 5

The Complete Leader

The full Leadership OS integrated

Coming Soon

Start Here

Free Leadership OS Assessment™

25 questions. 5–7 minutes. You will receive a full dimensional score, your leadership archetype, and a personalized upgrade roadmap — at no cost.

Take the Assessment →

5 Dimensions Measured

Absorb — Learning Agility
Process — Thinking Quality
Align — Values & Identity
Act — Execution Discipline
Elevate — Leadership Impact

Paired with TTI Talent Insights® DISC + Motivators for the most complete executive diagnostic available.

Engagement Options

Choose your entry point.

Every engagement is designed to move you along the same path — from awareness to transformation.

Book

The Sponge Leader

The complete Leadership OS framework in a guide for executives ready to upgrade how they think, decide, and lead.

Order Now →

Flagship Program

Executive OS Coaching

15-month retained coaching journey. Quarterly assessments, TTI integration, and a structured upgrade roadmap built around your specific dimension gaps.

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Event

Leadership OS Workshop

Half-day or full-day facilitated workshop. Team-level OS diagnostics, archetype reveals, and a 90-day execution plan.

Inquire →

Digital

Webinars & Podcast Series

Dimension-by-dimension deep dives available on-demand. New episodes and live webinars released monthly for leaders who learn on the move.

Explore →

The Sponge Leader™

Absorb. Adapt. Upgrade Your Leadership OS.

© 2026 David Sun · spongeleader.com · The Sponge Leader™