

Mark and his team were instrumental in helping us navigate and negotiate an equity investment into our company. Their years of experience across legal and finance allowed them to understand and articulate the financial implications of key terms/clauses and gave me and my partner confidence that our interests were being looked at holistically.
Flatiron has handled a variety of corporate restructuring transactions for our companies. They bring knowledge, business savvy and efficiency to every matter they handle for us. If you need sophisticated, cost-effective counsel, we recommend them unconditionally.
I cannot recommend Mark Haddad highly enough. His intelligence and work ethic are truly exceptional. Mark's tireless dedication to the sale of my business was evident in his round-the-clock availability and commitment. He consistently went above and beyond, not only working at all hours but also reworking the structure and definitive documents with incredible skill. This ensured an optimal financial outcome and reduced risk for me, far exceeding my expectations.
What sets Mark apart is not just his legal expertise, but also his background as a CPA. This unique combination of skills provided invaluable insights and a comprehensive approach to my legal matters. With Mark, you're not just getting a lawyer; you're getting a strategic partner who understands both the legal and financial implications of your case. If you're looking for a brilliant, hardworking attorney who will stop at nothing to achieve the best results for you, Mark Haddad is the clear choice
In my role as COO of Noble House, I've had the privilege of working closely with Mark over the past seven years. Mark was instrumental in negotiating and finalizing key deals with our banking partners, ensuring favorable deal terms and timely closing. Additionally, Mark served as our primary outside counsel for corporate matters, drafting a variety of essential documents that helped steer Noble House towards its goals. Mark consistently provided sound advice and guidance, offering valuable insights during both good and challenging times. His expertise and trusted guidance eventually led to a seat on our board, where his insights continue to shape our strategic direction. Without reservation, I would wholeheartedly recommend Mark to anyone in need of corporate or financial counsel. His knowledge, dedication, and strategic thinking make him an invaluable asset to any organization.
I have had the pleasure of working with Mark Haddad for over 10 years on various important matters, including debt work for my companies, workouts and restructurings, corporate governance, business succession and personal estate planning, and general business strategy. Mark has consistently demonstrated exceptional expertise and professionalism throughout this time, always delivering tremendous results. His unwavering availability sets him apart—whether for urgent matters or routine discussions, he has always been there. Moreover, the value of his services has always been excellent, combining top-tier legal counsel with a practical approach to cost. I highly recommend Mark and the Lumen Law Group to anyone needing trusted, high-quality legal guidance.
It’s not good enough to be a brilliant lawyer. Mark Haddad at Lumen Law Group clearly is that. A more vital part of the mix is friendship, because with friendship comes trust. Trust and friendship are powerful forces that bring a level of caring and a relentless determination to find solutions to problems that would be impossible with brilliance alone. Mark Haddad has worked day and night on complex problems for our family, delivering thoughtful and impactful solutions. He also dedicates time to pro bono work for disadvantaged children and families, because he cares. Lumen Law is what a law practice used to be, and ought to be, but just a rare find anymore. Mark is a true gem – rare and invaluable.
Mark is one of the most capable and versatile international corporate lawyers I have work within my long career, which included being general counsel and international counsel of major publicly traded companies including News International plc, London and Armstrong World Industries. I worked with him both at a law firm he co-founded and Jones Day where he was a partner and practice head for eight years. He has exceptional legal skills in structuring deals of all sorts especially those with an international component. His negotiating skills and multi-cultural sensitivities are second to none. I am glad Mark is back in private practice so I and my colleagues can start using him again.
Mark and his team go above and beyond on each and every one of our engagements. He assisted on a complex asset backed financing deal we closed recently. Mark knocked it out of the park: winning deal points, providing us with a technical understanding and seeing the deal through to a timely close. We work with Mark on other transactions and projects, and he always brings same expertise and efficiency to each one. We recommend him unconditionally.
Mark Haddad is one of the most accomplished and effective lawyers I have hired in my career as general counsel or international counsel for major global corporations including News International plc London and Armstrong World Industries in the US. An insightful command of all of the relevant legal areas on major transactions (M&A, financings, project finance, JVs, etc.). A consummate negotiator with exception multicultural capacity.
Mark Haddad is the rare lawyer who, on a transnational basis, can offer expertise on multiple national corporate and financial laws and regulations, propose effective complex financing and other transactional structures and give acute, critical legal advice and "cultural" insights that prove invaluable in achieving successful negotiations. A lawyer with impeccable ethics who can guide his client safely through murky seas. Lastly, a man of great common sense who knows when a 10-page document is better.
Mark was an excellent General Counsel for the fund, bringing to bear his many years of experience and solid judgment on the multitude of diverse issues we faced. His leadership provided a valuable framework within which the entire Legal and Compliance team could work comfortably, judiciously advising and managing w/o excessively controlling. Mark led by example, working hard and inspiring others to do likewise. Equally importantly, Mark was greatly respected by the Business, and his close working relationship w/ the Front Office facilitated effective contributions by his entire L&C staff. I would highly recommend him to anyone.
Mark Haddad helped guide us through the financing process on an innovative structure which was subsequently recognized by Project Finance Magazine as one of their "Deals of the Year". I particularly appreciated being able to use a Partner who didn't overstaff the engagement and nevertheless crafted tight documents.
Mark is an exceptionally talented lawyer with a breadth of U.S. domestic and international deal and regulatory experience. As a former partner of mine, I can attest to his dedication to his clients and his work ethic. I highly recommend Mark to clients who look for maturity, a depth of experience and a reasonable fee structure in their legal counsel.
I have worked with Mark under difficult circumstances on complex matters involving time sensitive matters across multiple time zones. I am always impressed by his grace under pressure and his ability to discern - and react appropriately to - the rhythm of a complex transaction. All this while delivering the highest quality analysis, advice and legal services. He remains a close friend and trusted counselor.
Mark and I were partners together at Jones Day for several years and collaborated to serve several important multinational clients to advise them internationally (along with our New York, Taipei & Beijing teams among others) on key issues relating to finance, cross-border transactions as well as FCPA compliance. Mark is a seasoned professional with a wealth of knowledge of the law, international experience as well as a keen sense of client service and zealous client representation. Companies and individuals would be fortunate to have Mark as counsel and I would recommend him highly.
Lumen Law Group provided a focused and highly efficient review of our Series Seed investment in a high-growth SaaS company. Mark and his team quickly identified key discrepancies in the capitalization table and vesting terms, advised on critical representations, and ensured that our negotiated investor rights were properly reflected. Their work was precise, commercially minded, and on par with top-tier venture firms—at a cost structure that made sense for an early-stage investment. We look forward to working with them again.
Lumen Law Group delivered exactly what we needed—efficient, focused counsel that cut through the noise and got the deal done seamlessly. In advising on a SAFE investment in an AI-driven biotech platform, Mark and his team zeroed in on the key issues, coordinated smoothly with the other side, and ensured we closed on time. They also went beyond the expected scope, demonstrating clear expertise in handling cross-border issues and investor dynamics. A top-tier firm for venture and p/e transactions.
Mark's ability to focus on the core issue is remarkable.