Michael Duran is Partner at the Albuquerque office of Singleton Schreiber, where he brings over two decades of extensive litigation experience to the firm’s Personal Injury practice group. Mr. Duran is a lifelong New Mexican and has strong ties to northern New Mexico where his family can be traced back for several generations. His comprehensive background in handling personal injury cases at both state and federal levels includes automobile collisions, trucking accidents, premises liability, and motorcycle collisions. Before joining Singleton Schreiber, Mr. Duran served as the Managing Litigation Attorney at a prominent plaintiff law firm in Albuquerque for more than 17 years. In this role, he managed attorneys across the firm, filed and litigated numerous cases in New Mexico up and through trial. In that time, Mr. Duran took over a dozen cases to trial and verdict. His responsibilities also included supervising support staff and participating in extensive litigation activities. Earlier in his career, Mr. Duran served as an Insurance Defense Litigation Attorney at Stiff & Associates, Miller Stratvert LLP, and Houliston and Associates in Albuquerque, NM. In these positions, he litigated a wide range of insurance cases, maintaining a substantial caseload and fulfilling extensive litigation responsibilities including discovery, depositions, motions practice, and mediations. Mr. Duran earned his Juris Doctor from the University of New Mexico School of Law, where he made the Dean’s List and received a Certificate in Basic Mediation. He also holds a Bachelor of Arts in Management and Information Systems from the University of Phoenix. An active member of several prestigious legal associations, Mr. Duran serves on the Board of the New Mexico Trial Lawyers and is a member of the National Trial Lawyers, the Academy of Truck Accident Attorneys, the American Association for Justice, and the National Hispanic Bar Association. Bilingual in English and Spanish, Mr. Duran leverages his language skills to effectively communicate and advocate for a diverse range of clients. Outside of his legal practice, Michael enjoys hunting, fishing, golfing, cooking, eating, and traveling. He and his wife, Laura, are blessed with a blended family of six adult children, their spouses, and grandchildren.

Samantha Drum is an Attorney in the Personal Injury Department at Singleton Schreiber New Mexico, where she advocates for clients affected by car accidents, trucking accidents, slip and falls, dog bites, medical malpractice, instances of wrongful death, and other personal injury matters. With deep roots in northern New Mexico, Samantha brings determination, compassion, and a strong sense of justice to every case she handles. Samantha legal career is centered on being a champion for justice. She has represented personal injury clients throughout New Mexico, gaining valuable experience in litigation and client advocacy. Samantha is passionate about ensuring her clients are supported throughout the legal process and is committed to achieving meaningful outcomes on their behalf. Samantha earned her Juris Doctor from The University of New Mexico (UNM) School of Law, where she served as a Citations Editor and Associate Editor for the Natural Resources Journal and was named to the Honor Roll. She also holds a Bachelor of Arts in English and Philosophy from UNM, where she was a Dean’s List student and a member of the National Society of Collegiate Scholars. Demonstrating her resilience and drive, Samantha passed the New Mexico Bar Exam just six days after giving birth to her first child. She is admitted to practice in the State of New Mexico and the U.S. District Court for the District of New Mexico. She is also an active member of the Albuquerque Bar Association and the New Mexico Trial Lawyers Association. Outside of the office, Samantha enjoys baking fresh-milled bread, cooking, singing, listening to audiobooks, and raising her children alongside her husband, Matthew.

Alexander F. Flores is Senior Counsel at Singleton Schreiber’s New Mexico office, where he focuses on mass tort claims, wildfire litigation, catastrophic personal injury and wrongful deaths, and cases under the Federal Tort Claims Act (FTCA), including litigation in the U.S. Court of Claims. With a distinguished career as a federal prosecutor and military officer, Alex brings extensive experience in high-stakes litigation, having completed 17 federal jury trials. He is dedicated to advocating for justice, particularly in complex criminal and civil cases, and has a proven track record in both the courtroom and in legal leadership. Prior to joining Singleton Schreiber, Alexander served as a Supervisory Assistant U.S. Attorney with the U.S. Department of Justice in Albuquerque where he led a team of prosecutors handling violent crime cases, including homicides, sexual assaults, kidnapping, and firearms offenses. He also focused on Indian Country crimes, working to improve public safety in New Mexico’s Native communities. Alex forged deep relationships with Tribal leaders and law enforcement, and helped the Department of Justice to increase training, strengthen inter-governmental relationships, and improve the tempo and quality of investigations and prosecutions of crimes with a focus on Mission and Murdered Indigenous Persons and sexual assault cases. Prior to his appointment as a Supervisor, Alex personally prosecuted nearly 200 federal felony cases, including successful outcomes in appeals to the United States Court of Appeals for the Tenth Circuit. Alex’s military experience further complements his legal expertise. He served twelve years in the United States Marine Corps, holding several key positions, including in the Office of the Chief Prosecutor of Military Commissions, as a prosecutor in Okinawa, Japan, an Aide-de-Camp, acting supervisory prosecutor, and complex trial prosecutor for all Marine units in the western U.S., where he led high-profile, special victim, and other significant cases. After transitioning to the reserves, he served as a law of war instructor, a supervisory prosecutor for the Department of Defense’s busiest prosecution office, and an administrative separations board hearing officer. In late 2024, Alex joined the New Mexico Air National Guard, where he now serves as Deputy Staff Judge Advocate, advising Wing leadership on military justice, operational law, and ethics, and ensuring compliance with the Uniform Code of Military Justice. Earlier in his career, he clerked for New Mexico Supreme Court Justice Edward L. Chávez—an experience that further refined his ability to navigate complex legal matters with discipline and strategic insight. In addition to his legal practice, Alexander is actively involved in community and legal service organizations. He serves as a trustee for the Albuquerque Community Foundation, a Commissioner for the New Mexico Access to Justice Commission, and as a New Mexico Supreme Court appointee to the Access to Justice Fund Grant Committee. He is also a former Vice President of the New Mexico Hispanic Bar Association and has held leadership roles in various local organizations. Alex’s awards and recognition over the years include being recognized locally by Albuquerque Business First as the single “Most Outstanding Under 30” honoree in its annual “40 Under Forty” awards in 2013, and nationally as a Top Lawyer Under 40 Honoree by the Hispanic National Bar Association in 2021. Alexander earned his Juris Doctor from the University of New Mexico School of Law, where he was recognized with both the Dean’s Award and Faculty Award. He also holds a Master's in Public Affairs from Princeton University and a Bachelor of Arts in Public Policy and Political Science from The George Washington University.

Kristina Aiad-Toss is a Counsel in the mass torts, sexual assault and human trafficking, and personal injury practice groups.

Robert J. Sánchez is a Senior Counsel in the Fire Litigation practice group in the New Mexico offices of Singleton Schreiber, where he draws upon his experience litigating complex civil disputes across many subject areas, including catastrophic personal injury and wrongful death, professional liability, medical malpractice, products liability, construction defect, construction bond claims, insurance bad faith, premise liability, and appellate law.

Jacob Payne is a senior counsel in our New Mexico offices and a member of both our Fire Litigation and our Personal Injury and Wrongful Death practice groups. An accomplished trial attorney, Mr. Payne served the people of New Mexico as a government lawyer in multiple capacities before bringing his litigation skills and public entity experience to Singleton Schreiber.

Brian S. Colón is the Managing Partner of Singleton Schreiber’s New Mexico offices, leading a team of over 35 professionals across several locations in Albuquerque, Las Cruces, Las Vegas, Los Lunas, and Mora. The firm’s work spans a wide spectrum of legal services, including wrongful death, personal injury, medical malpractice, products liability, environmental law, insurance bad faith, and complex transactional negotiations. No matter the area, Brian and his team are steadfastly committed to protecting the most vulnerable and securing meaningful justice for its clients. With over 30 years of combined legal, public service, nonprofit leadership, and community advocacy experience, Mr. Colón exemplifies a servant-leader approach to law and governance. Mr. Colón’s dynamic leadership has helped expand the firm’s footprint and deepen its commitment to justice and equity in communities across New Mexico. He also draws on longstanding professional relationships with local, state, and federal elected officials, offering clients unique access to trusted public-sector partners who can help address their most pressing legal and organizational challenges.  Mr. Colón previously served as a statewide elected official as New Mexico State Auditor (2018–2022), where he led the most significant financial recovery in the office’s history, securing over $13 million for seniors defrauded by insurance intermediaries. He also initiated the first compliance audit of state facilities for ADA parking and access standards, resulting in widespread remediation. His tenure was marked by fearless oversight, bipartisan accountability, and systemic improvements in government transparency. A lifelong New Mexican raised in Valencia County, Mr. Colón was the first in his family to earn a college degree, graduating with a B.S. in Finance from New Mexico State University and later earning his J.D. from the University of New Mexico School of Law. He is also a Certified Fraud Examiner. Mr. Colón is recognized statewide for his robust civic engagement, mentorship of emerging leaders, and fundraising expertise. A compelling keynote speaker and advocate for equity, Mr. Colón brings his personal story and lived experience to every endeavor, including his advocacy for those with disabilities. His commitment to advancing diversity and inclusion in the legal profession has been evident throughout his career. Mr. Colón is a longtime member and board director of the New Mexico Hispanic Bar Association (NMHBA), a board of trustee member for the Albuquerque Community Foundation (ACF) and the New Mexico Community Trust (NMCT), and founder and co-chair of the UNM/NMHBA Law Camp, which has empowered aspiring New Mexico attorneys since 2003. He has served on NM Judicial Selection Commissions, the State Bar of New Mexico’s Committee on Diversity, and other initiatives to expand opportunity and representation in the legal system. Nationally, he serves as First Vice President and is a Lifetime Member of the National Association of Latino Elected and Appointed Officials (NALEO), supporting Latino leadership across the country, as well as a NAACP Silver Life Member.

Brian Gaddy is a principal attorney with the Gaddy Law Firm in Albuquerque, New Mexico. He practices law in Texas and New Mexico and represents individuals suffering injuries caused by others. Mr. Gaddy has extensive experience with personal injury litigation. With over 17 years of experience as a Claims Counsel with Professional Claims Managers and a Claims Attorney with the Texas Association of Counties Risk Management Pool, his focus was litigation and pre-suit claims involving municipal law enforcement and public officials’ liability. Specifically, he dealt routinely with claims and litigation involving 42 U.S.C. Sections 1981, 1983, and 1985, Title VII, Americans with Disabilities Act, and Texas Whistleblowers Act. Independently, he has consulted on litigation involving professional liability, copyright and trademark infringement, and Section 1983 unreasonable use of force. Prior to Professional Claims Managers, Mr. Gaddy adjusted claims involving claims involving 18-wheelers. These claims ranged from light fender benders to serious wrongful death. Mr. Gaddy’s focus was claims in the continental United States. Mr. Gaddy created and was part of the Rapid Response Team for one major trucking organization requiring he be at the site of a death within 24 hours of the occurrence. Mr. Gaddy has spoken at several conferences on topics involving civil rights, claims adjusting, and litigation management. Mr. Gaddy received his law degree from Texas Wesleyan School of Law in 1994. He is a member of the State Bars of Texas and New Mexico and is admitted to practice law in the United States District Court for the District of New Mexico and the United States District Courts for the Northern and Eastern Districts of Texas. He is also a licensed insurance adjuster.

Margaret Moses Branch is married to Turner W. Branch, senior partner of the Branch Law Firm. Ms. Branch is the managing partner. She is a member of the American Board of Trial Advocates and International Women’s Forum, named Woman of the Year in 1995. She serves on the Board of Directors of the New Mexico Trial Lawyers Association and is currently on the Board of Directors of the Center for Civic Values (Interest on Legal Trust Accounts). She was Chair of the Association of Trial Lawyers Women’s Law Caucus (5,000 members) and was founding President of the New Mexico Women’s Bar Association. She has been a frequent lecturer on Continuing Legal Education programs for attorneys. Ms. Branch has served as Vice-Chair of the Association of Trial Lawyers of the America Tobacco Litigation Group. In her practice, Margaret Moses Branch has been particularly interested in women’s health issues. She has served on the Executive Committee of the Failure to Diagnose Breast Cancer ATLA Litigation Group. She was moderator for the National College of Advocacy, Medical-Legal Update Seminar, for the section entitled “Medicine and the Law: Special Issues Facing Women.” Ms. Branch served as a moderator of the ATLA National College of Advocacy, “Litigating Women’s Health Issues”. She has served as counsel in cases that involved failure to diagnose breast cancer, colon cancer, uterine cancer, pancreatitis, leukoplakia, peritonitis, appendicitis, compartment syndrome, aneurysms, pneumonia, meningitis, abruptio placenta, kernicterus, and other illnesses and diseases. She has been involved in cases that addressed issues of surgical negligence, i.e., laminectomies, cholecystectomies, colonoscopies, hernia repairs, and hip replacements. Additionally, she has been involved in cases that dealt with obstetrical issues, i.e., failure to perform timely Caesarean sections, inappropriate radiological procedures, unnecessary hysterectomies, and incomplete abortions.