

Depth and Judgment, Delivered with Focus
Lumen Law Group was founded to bring senior-level counsel and institutional-quality execution to clients who value decisive thinking, well-structured guidance, and results that hold up under scrutiny. We offer the standards of elite firms—without the bureaucracy—advising on transactions, governance, and strategy with the experience and legal fluency trusted by sophisticated decision-makers.
Sophisticated, Senior-Led Counsel
Every engagement is led by Mark Haddad, offering direct access to senior-level judgment honed at the highest levels of the profession. This hands-on approach ensures the clarity, precision, and discretion clients expect from top-tier firms—without the bureaucracy.

Integrated Legal and Financial Insight
With experience at Sullivan & Cromwell, Goldman Sachs, Jones Day, and PwC, Mark brings a rare combination of legal, financial, and transactional insight. This integrated perspective allows for informed, decisive counsel across complex legal and business issues.

Efficient, Impactful Execution
Our work is focused and efficient—structured to reduce friction, manage risk, and support key business priorities. We approach each matter with discipline and clarity, delivering advice that moves matters forward without unnecessary complication.

A Trusted Partnership
Clients rely on Mark not just for legal execution, but for judgment. As a long-term advisor to founders, executives, and investors, he is known for being clear, candid, and deeply invested in the success of the people and businesses he serves.

Meet Mark Haddad
Mark Haddad’s career spans leadership roles at Sullivan & Cromwell, Jones Day, Goldman Sachs, and PricewaterhouseCoopers, where he built a rare blend of legal and financial expertise.
As both a CPA and a seasoned corporate lawyer, Mark brings a strategic, financially informed perspective to every engagement. His ability to navigate legal and business complexities ensures clients receive solutions that drive transactions, mitigate risk, and achieve business objectives.
