Profession Summary

Sieg Buck is a distinguished executive leader with a career spanning four decades of driving enterprise value across private equity-backed and publicly traded corporations. Having served as CEO, President, and Board Director, he is a strategic architect recognized for his ability to navigate complex business landscapes and scale organizations through aggressive organic growth and the seamless integration of high-stakes acquisitions.

Approach / Philosophy

Currently, Sieg serves as a Board Member and Strategic Advisor to several high-growth companies. As an executive mentor, he leverages his "battle-tested" perspective to guide leaders through critical career transitions, offering the multi-industry insight required to thrive in public, private, and PE-owned environments.

Highlights from Professional Career

Throughout his career, Sieg has demonstrated a unique capacity for large-scale organizational transformation. At Moore Corporation, he served as President of Moore North America, where he orchestrated the landmark integration of 10 disparate divisions into a unified, $1.3 billion strategic entity. This massive consolidation redefined the company’s market position, providing comprehensive print and digital solutions to a global client base.

Sieg’s executive tenure includes serving as CEO of Block and Company and Icon Identity Solutions, as well as President of Bell Sports. His deep experience at Newell Rubbermaid Corporation included President  of Anchor Hocking Plastics Packaging as well as executive leadership at two other Newell Divsions.

Private Equity & Governance Expertise

For 12 years, Sieg served as an Operating Partner at Arbor Investments, where he chaired and sat on the boards of multiple portfolio companies. In his capacity as CEO of Midland Packaging and Great Lakes Packaging, he directed the full lifecycle of investment value—from rigorous due diligence and acquisition evaluation to architecting strategic growth plans that maximized exit valuations.

His governance experience is further highlighted by his tenure on the Board of Directors of Jetform Corportion (NASDAQ), a pioneer in web-based workflow software. Sieg began his professional foundation at industry giants Motorola and Beatrice Corporation.

Education Credentials

Sieg has a BA degree from Western Illinois University and his MBA from Northern Illinois University.