About StoneSight
Clear sightlines for difficult decisions.
A security program can look complete while critical exposures remain. StoneSight provides an independent examination of the evidence and a practical path to address what it reveals, helping leaders act knowing their security assumptions hold up under scrutiny.
Leadership
Joe Marroquín
Founder · Senior operating executive · Board advisor
Joe Marroquín is the founder of StoneSight Advisory Services, a senior operating executive, and a board advisor with more than 25 years of experience helping organizations execute strategy, strengthen governance, and navigate consequential change. He brings a business-first perspective to cybersecurity and AI, connecting technical exposure with enterprise value, operational resilience, and the decisions leaders must make.
Joe has held C-suite roles in public companies and private equity-backed enterprises, including serving as founding Chief Information Security Officer of Vestis, a multibillion-dollar NYSE-listed company, and previously as CISO of Encompass Digital Media. His career also includes leadership positions with IBM, Accenture, Fujitsu, and Ernst & Young. He has advised CEOs, boards, executive teams, investors, and private equity sponsors on enterprise transformation, mergers and acquisitions, technology, and risk.
His experience spans energy, financial services, telecommunications, manufacturing, media, healthcare, and critical infrastructure, with work supporting organizations including Shell, Capital One, Mercedes-Benz, The Walt Disney Company, HBO, Duke Energy, Southern Company, California ISO, and PJM Interconnection. Having led initiatives across North America, Europe, Asia, and Latin America, Joe understands how business priorities intersect with complex operational, regulatory, and cultural environments.
A former United States Naval Officer and combat veteran, Joe brings disciplined judgment, candor, and a clear sense of accountability to his advisory work. At StoneSight, he helps leaders examine whether their security assumptions hold up under scrutiny, whether investments address consequential risks, and whether governance translates into effective action. His approach combines executive perspective with technical depth, delivering independent advice in plain English so leaders can make informed decisions and act with confidence.
Advisory board
Experienced leaders. Candid counsel. Stronger judgment.
Global business & technology executive · Board member
Grant Shih
Board GovernanceEnterprise Strategy
Technology executive & enterprise transformation leader
Kelly Solomon
Enterprise StrategyEnterprise Transformation
Working principles
Experienced judgment
Senior CISO involvement in scoping, interpretation, and the executive readout.
Visible evidence
Findings remain traceable to evidence, with exclusions and uncertainty made clear.
Business consequence
Technical observations are interpreted through the decisions, dependencies, and outcomes that matter.
Respectful collaboration
Existing security teams are partners in understanding the environment and making progress.
Practical priorities
Recommendations are sequenced into decisions and actions that accountable leaders can own.
Clear incentives
Advice is not contingent on finding a problem or selling a particular technology.
Start a conversation
What decision needs a clearer view?
Write to us about the transaction, security question, or leadership need you are working through. Your note reaches us directly, without a form.
advisory@stonesightadvisory.com