Board Oversight of Diversity, Equity, and Inclusion
Organizations that lead in DE&I devote meaningful energy from a strategic perspective by aligning DE&I with business strategy, dedicating sufficient resources, and emphasizing accountability.
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.
Greg has nearly 20 years of executive compensation consulting experience, including over 10 years with Semler Brossy, where he currently leads Semler Brossy’s LA office. Greg works across industries and with companies at different stages of growth, including companies in the technology, industrial, retail/consumer goods, and healthcare sectors. He advises companies ranging in size and stage, from pre-IPO and emerging growth companies to established Fortune 50 organizations. He is known for his collaborative approach and commitment to helping his clients find the best solution.
In addition to his experience as a consultant, Greg also worked for several years in a corporate HR leadership role, where he was responsible for leading the compensation, benefits, and HR operations functions for a company with over 50,000 employees.
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.
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. His work with clients is focused on developing reward strategies, identifying performance measurement and management systems, creating talent management approaches, and designing annual and long-term incentive systems for key executives who drive business results.
Prior to joining Semler Brossy in 2008, Marc was a Principal at Mercer, in the human capital consulting business. In his two years with Mercer, Marc was the investment management segment leader for the Global Financial Services Network. Before Mercer, Marc spent 12 years at Sibson, where he helped start and then led that firm’s London office, living in London for 5 years, working with clients in the EMEA region. He also managed the Financial Services Industry Practice and Princeton office.
Marc has spoken on human capital issues to groups such as the World at Work national conference, the Conference Board, the Private Equity Human Resources Roundtable, the UK Senior HR Leadership Forum, the UK’s Chartered Institute of Personnel and Development, and the Wall Street Compensation and Benefits Association.
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.
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. His clients range in size from Fortune 100 enterprises to small- and mid-sized companies. John is a thought leader in helping companies manage the pay-for-performance relationship and navigate emerging trends in environmental, social, and governance (ESG) issues related to executive pay.
He has extensive experience working with companies in transition (e.g., M&A, IPO, spinoffs, turnarounds, leadership changes). John is a graduate of the University of Chicago’s Booth School of Business and the University of Michigan. He is a Certified Executive Compensation Professional (CECP).
John is a lecturer for the WorldatWork Faculty, teaching Executive Compensation and Business Acumen for HR Professionals.
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.
Roger Brossy has been an executive compensation consultant since 1981. Roger has worked across sectors and seeks to capitalize on insights from factors that drive or impede success in one industry to what affects another.
He was the President of Sibson & Company and served on its Board of Directors for many years before co-founding Semler Brossy Consulting Group in 2001.
Roger also served as Sibson’s Practice Director for Financial Services. Roger is a member of the Dean’s Council for the Gallatin College of New York University.
Member of the Dean's Council for the Gallatin College of New York University. Co-founder of the firm.
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.
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 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.
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.
Clients turn to him when they face critical leadership and pay decisions—especially during periods of growth, transition, or organizational change. His guidance combines analytical depth with a strong understanding of strategy, leadership, and what it takes to grow responsibly.
Michael began his career at Equilar, a corporate leadership data firm, where he advanced from Research Analyst to Director of Professional Services, combining deep analytics with a strong commitment to client success.
Michael holds a B.A. from The University of California at Berkeley in Applied Mathematics (Economics).
Applied mathematics
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.
Margaret advises clients on strategic compensation issues. She supports both Compensation and Human Resource Committees on executive pay and governance issues, as well as management teams seeking to address strategic pay matters like equity strategy and incentive plan design.
Margaret works across industries and across different stages of a Company’s development (pre/post-IPO and SPACs to Fortune 100 companies). She thrives in working with dynamic and innovative companies. She is a thought partner for leaders who want to think strategically about talent and the role compensation plays in their organization.
Margaret brings a combination of deep analytical thinking and a client-focused approach. Clients value her engaging approach and the intellectual curiosity and critical thinking she brings to complex issues. She is thoughtful and empathetic when navigating across different stakeholders and knows how to help facilitate constructive dialogue in sticky situations.
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.
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. Before joining Semler Brossy, Blair was the practice leader in Leadership Performance and Rewards at Sibson and an Associate Consultant at Bain & Company.
Blair holds the designations of Certified Benefits Professional (CBP), Certified Compensation Professional (CCP), and Certified Executive Compensation Professional (CECP). Since 2013, Blair has consistently been named to the D100, NACD Directorship Magazine’s annual list of the most influential people in the boardroom. Blair currently serves on the Mohawk Valley Health System board and leads its Women’s Giving Circle, helping direct philanthropic support to community health initiatives. She also serves on the advisory board for M3 Placement & Partnership.
Consistently named to the D100, NACD Directorship Magazine’s annual list of the most influential people in the boardroom community, including directors, corporate governance experts, regulators, and advisors, since 2013.
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.
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. Her clients range from recently public companies to the Fortune 100. She draws on her diversified client experience to identify the right solution for each client. She is known for her collegial leadership style, effectively navigating challenges and aligning parties for better outcomes.
Previously, Kathryn was a CPA with Ernst & Young, and she brings that financial acumen to her clients today.
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.
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. Seamus employs a deep analytical skill base and a problem-solving approach to construct creative solutions that fulfill client needs, including rewarding leaders for achieving results that create sustainable shareholder value.
Prior to Semler Brossy, Seamus founded a technology consulting boutique focused on data and process management.
Seamus has served as a member of the Executive Compensation Certification Committee for World at Work.
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.
Todd Sirras joined SBCG in 2002 and was named Managing Director in 2005. Prior to Semler Brossy 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.