Katherine R. Mazaheri

Katherine Mazaheri is a trial lawyer who regularly represents plaintiff employees in all areas of employment law, including litigation in state and federal courts, in mediation, before administrative agencies such as the Equal Employment Opportunity Commission (EEOC), Department of Labor (DOL) and Oklahoma Employment Security Commission (OESC). She has successfully handled litigation involving claims of wrongful discharge, sexual harassment/assault, employment discrimination (based on race, age, gender, sexual stereotyping, pregnancy, national origin, and disability), retaliation, as well as disputes involving wage and hour matters, medical leave, confidentiality and non-compete agreements, employee handbook and company policy violations, and breaches of employment agreements. With grit, resourcefulness, and resilience, Katherine brings an unparalleled ability to overcome any obstacle, both inside and outside of the courtroom. From securing substantial recoveries in discrimination lawsuits to beating breast cancer, she is no stranger to championing success in adverse environments. With first-hand knowledge of what it takes to defy the odds, compassion is the driving factor behind everything she does. Employing this perspective, she continually sets a new standard for client representation and litigation strategy. Highly regarded for her outstanding client advocacy and commitment to social justice, she has been granted numerous awards, including the Oklahoma Bar Association’s Ada Lois Sipuel Fisher Diversity Award (2022) and the Journal Record’s Leadership in Law Award (2021). She has also been featured in several well-known industry publications, including the Oklahoma Bar Journal and the Oklahoma County Bar Association Briefcase. Above all, Katherine values fostering trustworthy, collaborative relationships with internal team members and external stakeholders. Recognized for being a synergistic business partner and employment law expert, she is regularly called upon to provide employment law training and continuing education to esteemed organizations. Recently, she led a successful, first-of-its-kind sexual harassment training for over 400 local tribal administrators. She was also included as a speaker at the Oklahoma Bar Association’s Labor and Employment Law Update and Oklahoma City University School of Law’s Alumni Association’s continuing education seminar. As part of her employment practice, Katherine often trains and counsels employers on a broad range of matters affecting the workplace, including hiring, discipline, terminations, policies and procedures (including creation and auditing employment handbooks), drug and alcohol testing, anti-discrimination and anti-harassment, employment contracts, severance agreements, and confidentiality agreements. She has also had the opportunity to educate tribal employees on sexual harassment and train 400+ employees in the workplace. In addition, she was included as a speaker for continuing education for attorneys in 2019-2022 for Oklahoma Employment Lawyers Association, Oklahoma City University School of Law’s Alumni Association, Oklahoma Bar Association’s Labor and Employment Law, and for Oklahoma Bar Association’s Women in Law Conference. Awards and Honors Super Lawyers® Selectees Katherine R. Mazaheri included in a Super Lawyers® list Honors 40 under Forty from okcBIZ Magazine AV Preeminent Rating by Martindale-Hubbell Peer Review Rated with Martindale Hubbell Top 10 Under 40 Attorney Award for Oklahoma by National Academy of Family Law Attorneys Completion of Family Law Trial Advocacy Institute through Oklahoma Bar Association Other Sources of Feedback About Katherine R. Mazaheri Included on the 2025Oklahoma Super Lawyers list Past Lists 2024 Oklahoma Super Lawyers list 2023 Oklahoma Super Lawyers list 2022 Oklahoma Super Lawyers list 2021 Oklahoma Super Lawyers list 2020 Oklahoma Super Lawyers list 2017 Oklahoma Super Lawyers list 2016 Oklahoma Super Lawyers list

• Managing Attorney
• Languages
• Spanish

• Edmond Mothers of Multiples

• Oklahoma
• U.S. District Court Western District of Oklahoma
• U.S. District Court Northern District of Oklahoma
• U.S. Court of Appeals 10th Circuit
• U.S. District Court Eastern District of Oklahoma

• Oklahoma Bar Association (Member)
• Oklahoma County Bar Association (Member)
• Canadian County Bar Association (Member)
• Oklahoma City Chamber of Commerce (Member)
• National Employment Lawyers Association (Member)
• Oklahoma Bar Association, Family Law Section (Member)
• Oklahoma Bar Association, Employment Law Section (Member)
• Oklahoma Real Estate License, 2003
• National Trial Lawyers Top 100 Trial Lawyers for the State
• United Way Board Serve, 2014-2015
• Eastern District of Oklahoma
• Board of Trustees for Youth Services for Oklahoma County