John Borneman

Semler Brossy's Contributions to NACD Directorship Magazine

All Insights Featured in NACD Directorship Magazine

Team Members Who Contributed to NACD Directorship Magazine

Greg Arnold

Managing Director

Greg Arnold has nearly 20 years of experience advising Boards and senior management teams on a variety of compensation and governance-related matters in both public and private settings across industries.

Marc Baranski

Managing Director

Marc Baranski has worked with Board members and senior leadership for over 25 years to optimize business performance through addressing significant executive compensation issues that result from growth, expansion into new businesses/geographies, mergers, changes in Management, or change management initiatives.

John Borneman

Managing Director

John has nearly 25 years of experience as an executive compensation advisor, with broad expertise in consulting to boards of directors and senior management on compensation and related governance issues.

Roger Brossy

Managing Director

Roger Brossy has been an executive compensation consultant since 1981. He was the President of Sibson & Company and served on its Board of Directors for many years before co-founding Semler Brossy Consulting Group.

Mark Emanuel

Managing Director

Mark has nearly 20 years of executive and management compensation consulting experience with Semler Brossy. He advises clients across industries, with a depth of expertise in retail and consumer-facing businesses and financial services. He particularly enjoys helping companies navigate strategic transformation and turnarounds through thoughtful metric selection and goal-setting. Mark holds a BS in Engineering from Harvey Mudd College.

Michael Gorski

Managing Director

Michael helps boards and leadership teams navigate executive compensation with clarity, structure, and strategic alignment. He brings nearly 20 years of experience advising public, private, and pre-IPO companies—from high-growth firms to large, complex organizations. His clients include global corporations and privately held businesses, such as family-owned, mutual, and PE-backed companies. His work spans industries but focuses on technology, industrials, healthcare, and consumer products sectors.

Margaret Hylas

Managing Director

Margaret Hylas joined Semler Brossy in July 2015. She has advised senior management and boards of directors across a range of executive pay, broad-based pay, and corporate governance issues that public and private companies face. Margaret graduated from Hamilton College in 2015 with a BA in Economics and minor in Government.

Blair Jones

Managing Director

Blair Jones has 30 years of executive compensation consulting experience. She has worked extensively across industries and has deep expertise in advising boards on company transitions, significant investor concerns, and an expanding human capital management mandate.

Kathryn Neel

Managing Director 

Kathryn has nearly 20 years of experience in executive compensation and leads Semler Brossy’s New York office, located in the iconic Empire State Building. She is known for her collegial leadership style, effectively navigating challenges and aligning parties for better outcomes.

Seamus O’Toole

Managing Director

Seamus has over 15 years of executive compensation consulting experience. He has deep expertise working with companies in transition, highly innovative companies, and high-growth industries.

Todd Sirras

Managing Director

Todd Sirras joined Semler Brossy in 2002 and was named Managing Director in 2005. Prior to SBCG he was a Senior VP in Bank of America’s Asset Management Group and a trader in listed equity options for O’Connor & Associates. He is a graduate of NYU Stern School of Business, the University of Virginia, and Phillips Exeter Academy.

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