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CLARKSON LAW FIRM P.C.

Our Team

OUR ATTORNEYS ARE LICENSED TO PRACTICE IN CALIFORNIA AND MICHIGAN STATE COURTS AS WELL AS FEDERAL COURTS NATIONWIDE.

Ryan Clarkson - Managing Partner

Ryan J. Clarkson

MANAGING PARTNER

Ryan is Founder and Managing Partner of Clarkson Law Firm. Motivated by a desire to deliver justice for the underserved, the underprivileged, and the underdog, Ryan has successfully prosecuted hundreds of consumer class actions involving defective pharmaceutical drugs and medical devices, illegal employment practices, securities violations, cosmetics mislabeling, food misbranding, data breaches, and insurance bad faith. He was the first attorney in the United States to fight for victims of fluoroquinolone antibiotics who suffered permanent and disabling nerve damage caused by Big Pharma. A force for change in how Big Business labels, advertises, markets, and packages consumer goods, Ryan recently obtained the largest ever slack-fill settlement in U.S. history.

Ryan serves on the Board of Directors of Los Angeles Trial Lawyers Charities (LATLC), which provides financial assistance to the homeless, hungry, disabled, survivors of abuse, veterans, and children’s education. Ryan also co-founded and serves on the Board of Directors of the Adam Clarkson Foundation, which supports the higher educational needs of children who have lost a parent.

In his free time, Ryan loves to travel with his family, exploring different cultures and cuisines together. You can also find him pulling from 25 feet on the blacktop, shredding the gnar, or splitting fairways with 300-yard bombs.

Ryan is proficient in French, Farsi, and Spanish.

  • J.D., 2005, Michigan State University School of Law, summa cum laude
  • B.A., 1999, University of Michigan at Ann Arbor, B.A. in Political Science and Pre-Medical Studies
  • Fluoroquinolone Antibiotic Cases – Mr. Clarkson was the first plaintiff attorney in the country to represent clients in connection with permanent and disabling nerve damage caused by Levaquin, Cipro, and Avelox manufactured by Johnson & Johnson and Bayer Pharmaceuticals. Mr. Clarkson represents dozens of clients across the country.
  • Garcia v. Iovate et al., Santa Barbara Superior Court, Case No. 1402915 – Mr. Clarkson successfully intervened in this case on behalf of a class of consumers of the popular “Hydroxycut” weight loss supplement. Mr. Clarkson and co-counsel increased the size of the settlement by more than ten-fold to a total court-approved settlement value of $10 million.
  • Morales, et al vs. Kraft Foods Group, Inc.,S. District Court, Central District of California, Western Division, Case No. 2:14-cv- 04387-JAK-PJW – Mr. Clarkson served as lead class counsel in a California certified class action lawsuit against the world’s second largest food and beverage company for false advertising and mislabeling of food product as “natural.”
  • State Bar of California
  • State Bar of Michigan
  • United States District Court for the Central District of California
  • United States District Court for the Northern District of California
  • United States District Court for the Southern District of California
  • United States District Court for the Eastern District of California
  • United States District Court for the Eastern District of Michigan
  • United States District Court for the Western District of Michigan
  • United States Court of Appeals for the Sixth Circuit
  • United States Court of Appeals for the Ninth Circuit
  • Los Angeles Trial Lawyers Charity, Board of Directors, 2014-2017
  • Consumers Attorneys Association of Los Angeles
  • Consumer Attorneys of California
  • American Association of Justice
Shireen Clarkson - Senior Partner

Shireen M. Clarkson

SENIOR PARTNER

Shireen is a Senior Partner and Shareholder at Clarkson Law Firm, P.C. and co-leads the firm’s class action litigation team. With over 14 years of experience as a civil litigator in both California state and federal Courts, Shireen is a fierce and relentless advocate of consumer rights. Her specialty lies in representing consumers and other individuals in class action lawsuits and other multi-party litigation involving false labeling, deceptive advertising, unfair business practices, and defective products throughout a variety of industries, including but not limited to the food industry, cosmetics, skincare, telecommunications, and pharmaceuticals. Shireen has earned numerous recognitions as lead and co-lead counsel in various certified class action cases and other multi-party matters resulting in millions of dollars for consumers seeking redress for financial harm caused by corporate wrongdoers. In addition, she holds an impressive record of representing public entities, private companies, and individuals in general business litigation.

Shireen is an honorary Board member of the Los Angeles Trial Lawyers Charities and strongly believes in giving back to one’s community in any way one can. Shireen spends much of her free time with her husband and young daughter; together, they enjoy going to the zoo, playing at the beach, and exploring other outdoor activities.

Shireen is fluent in Farsi.

  • J.D., 2004, University of California, Hastings College of the Law
  • B.A., 2000, University of California, Santa Barbara
  • Lead class counsel in a California certified class action lawsuit against the world’s second largest food and beverage company for false advertising and mislabeling of food product as “natural”
  • California class action lawsuit against a well-known celebrity manufacturer of hair products for defective product design and manufacture, false advertising, and unfair business practices
  • Co-lead counsel in a California certified class action lawsuit on behalf of consumers against a major broadcast satellite provider for unlawful termination fees
  • Co-lead counsel in California certified class action lawsuit against major pharmaceutical manufacturer for false advertising of the anti-depressant, Paxil
  • Co-lead counsel in California certified class action lawsuit battling Labor Code violations against employer
  • California class action lawsuit against one of the largest multinational retailers and manufacturers of consumer goods for false advertising of consumer product
  • California class action lawsuit for false advertising of a consumer product sold by one of the largest consumer goods companies in the world
  • Mesh/Sling Implant Multi-District Litigation – represented hundreds of women who underwent the vaginal mesh and/or sling implant surgery and experienced complications and injuries as a result
  • In re: Actos Multi-District Litigation – involved in representing hundreds of patients throughout the country who were injured by use of the Actos medication, including those diagnosed with bladder cancer and severe cardiac events
  • In re: Pradaxa Multi-District Litigation – litigated on behalf of hundreds of patients who experienced major internal bleeding events through use of the drug, Pradaxa
  • In re: Nuvaring Multi-District Litigation – represented hundreds of clients throughout the country who were implanted with the popular birth control device, Nuvaring, and experienced blood clots, heart attacks and strokes as a result
  • State Bar of California
  • United States District Court for the Central District of California
  • United States District Court for the Northern District of California
  • United States District Court for the Southern District of California
  • United States Court of Appeals for the Ninth Circuit
  • Los Angeles Trial Lawyers Charity, Honorary Board, 2015-2019
  • Los Angeles County Bar Association
  • Consumer Attorneys of California, Board of Governors, Emeritus
  • American Association of Justice
Matthew Theriault - Partner

Matthew T. Theriault

PARTNER

Matthew is a Partner at Clarkson Law Firm, P.C, where he leads the firm’s trial department with over 18 years of distinguished experience. As lead counsel for employees, he has secured over $50 million in settlements against transnational corporations like Starbucks, Aetna Life, Whole Foods, and Taco Bell. His practice focuses on federal and state litigation, with emphasis on class actions and representative actions, wage and hour codes, professional liability, product defects, real estate, and entertainment law, to name a few. As a fierce and relentless advocate, Matt is known for his expertise in public speaking, sharp wit, and dedication to thoroughly prepare for every case he handles, as evidenced by his track record of over 500 successfully litigated cases.

Matt began his legal career at a consumer law group in Connecticut while studying for his juris doctorate, before he decided to move to Southern California 13 years ago. Prior to joining Clarkson, he founded his own practice and consulted litigations overflowing from Capstone Law APC, where he created the firm’s model motion for class certification.

Despite his busy schedule, Matt looks forward to spending as much time as he can with his son, Tago, whether it’s teaching him how to wrestle or jamming out on their guitars together.

Matthew is admitted to practice both in Connecticut and California and before the U.S. District Courts for Northern, Central, Eastern, and Southern Districts of California as well as the District Court for District of Connecticut and the United States Court of Appeals for the Ninth Circuit.

Bahar Sodaify - Senior Associate

Bahar Sodaify

SENIOR ASSOCIATE

Bahar is a Senior Associate at Clarkson Law Firm, P.C. She focuses her practice on consumer class actions in the areas of food labeling, cosmetics, and other consumer products. Bahar has been at the forefront of Clarkson Law Firm’s slack-fill lawsuits, drafted multiple class certification motions, and helped successfully oppose pleadings’ challenges. Most notably, she played an integral role in Clarkson Law Firm’s success of obtaining final approval of a $2.5 million class action settlement against Ferrara Candy Company.

Prior to joining Clarkson Law Firm, Bahar was a litigation associate at a Southern California personal injury firm where she was actively involved in all stages of litigation against insurance companies, multimillion dollar corporations, and government entities. As a product of her zeal and commitment to the pursuit of justice, Bahar helped recover millions of dollars for her clients. She dedicated a majority of her practice to preparing and attending hearings for minors who had been injured in accidents.

Born and raised in Los Angeles, Bahar is an honorary member of the L.A. Trial Lawyers Charities and a member of the Los Angeles Lawyers Philharmonic’s Legal Voices. A little known fact about Bahar is that for over a decade she sang with the esteemed non-profit organization, Children of the World Choir, where she helped raised money for numerous charities while performing at renown locations such as the Hollywood Bowl and Greek Theatre. She credits this experience to developing her passion to fight injustices and be a spokesperson for the voiceless.

Bahar is fluent in Farsi.

  • J.D., 2012, Southwestern Law School
  • B.A., 2009, University of California, Los Angeles, Summa Cum Laude
  • State Bar of California
  • United States District Court for the Central District of California
  • United States District Court for the Northern District of California
  • United States District Court for the Southern District of California
  • Westside Bar Association
  • Los Angeles Lawyers Philharmonic & Legal Voices
Celine Cohan - Senior Associate

Celine Cohan

SENIOR ASSOCIATE

Celine is a Senior Associate at Clarkson Law Firm, P.C., where her practice focuses on consumer class actions involving false advertising and employment litigation matters as for the rights of her clients. In every case, her clients reap the benefits of her considerable knowledge, extensive experience, and intense personal investment to pursue justice.

Prior to joining Clarkson, Celine was an associate at a labor and employment law firm, where she successfully litigated dozens of cases involving wage and hour, discrimination, sexual harassment, retaliation, and wrongful termination disputes. She further represented clients in personal injury, business, and real estate litigation matters.

When she’s not working to deliver justice for her clients, Celine enjoys working out at the gym or practicing mindfulness through yoga. She also actively serves on the board for multiple non-profit organizations in the Los Angeles area.

Celine is proficient in Italian and fluent in both Spanish and Farsi.

Celine graduated from the University of California, Los Angeles with high honors and a double major in Political Science and History. She received her J.D. from Loyola Law School, graduating in the top 25% of her class.

Celine is admitted to practice in California.

Stephanie Satow

OPERATIONS MANAGER & PARALEGAL

BIO

Stephanie is the Operations Manager, a certified paralegal, and a California certified notary public at Clarkson Law Firm, P.C. Thanks to her superior multitasking skills and experience in customer success, she is an integral link to the firm’s class action team and assists them in all aspects of deposition and trial. On top of maintaining the daily internal operations of the company, Stephanie handles case criteria, fact investigation, legal research, client intake, discovery matters, and drafting and finalizing motions for Clarkson. Her specialty focuses on consumer class actions and complex matters, but her experience includes litigation at both the state and federal level.

Prior to Clarkson, Stephanie worked as a legal assistant for a defense litigation, where she specialized in workers’ comp defense and personal injury matters. Afterwards, she volunteered at the Chatsworth Courthouse handling finalizations for legal documents and managing client interactions. Stephanie received her Bachelor’s degree in English and her minor in Humanities and Law from the University of California, Irvine.

Grace Park - Business Development & Marketing Manager

Grace Park

BUSINESS DEVELOPMENT & MARKETING MANAGER

BIO

Grace is the Business Development and Marketing Manager at Clarkson Law Firm, P.C., where she leads the execution and growth of Clarkson’s digital presence through strong brand identity. Equipped with a keen understanding of an ever-so-evolving social media landscape and a passion for visual creativity, Grace utilizes her proven expertise to propel ongoing brand/customer connections through timely, relevant, and relatable content.

Additionally, Grace is the Program Director for a mental health dance startup that was birthed out of the parking lots of UCLA, where she graduated early with a B.A. in Geography/Environmental Science Studies and a minor in Entrepreneurship. When she’s not busy organizing dance workshops and mental health initiatives for the local youth, Grace spearheads awareness and fundraising efforts at UCLA as the President of Liberty in North Korea, the largest national grassroots organization that helps rescue North Korean refugees from China and successfully relocates them either in the United States or South Korea.

Nolan Del Toro - Law Clerk

Nolan Del Toro

LAW CLERK

BIO

Nolan is a law clerk at Clarkson Law Firm, P.C. whose abilities to research complex legal matters and understand every aspect of the prosecution of consumer law violations have earned him consistent recognitions from the trial department. As a former legal intern for the firm, Nolan developed his skills in seeking products with false advertisements and deceptive labeling. Now, he assists the Clarkson team in legal research and drafting of preliminary letters, class action complaints, and motions particular to class action litigation.

Nolan balances his heavy workload with an equally pressing schedule as a senior at the University of California, Los Angeles where he studies History with an emphasis in U.S. and Western European history. Making the most out of the opportunities offered on campus, Nolan was the Social Chairman of the Delta Tao Delta Fraternity and actively served with Mentorship@UCLA and Project Literacy as a peer tutor for students in underserved communities around Los Angeles. He hopes to continue his legal career and receive his Juris Doctorate in the near future.

Jonathan Gorton - Law Clerk

Jonathan Gorton

LAW CLERK

BIO

Jonathan is a law clerk at Clarkson Law Firm, P.C, who prides himself in combining meticulous research and creative problem-solving to produce successful legal outcomes for the trial attorneys. He handles CLRA preparations, conducts extensive legal and product research, and drafts a variety of legal documents such as complaints.

Graduating from the University of California, Los Angeles with summa cum laude honors, Jonathan received his B.A. in History with an emphasis in Western European history. He successfully multi-tasked his studies as a full-time sales intern for a major medical manufacturing company, Pledge Director at the Delta Tao Delta Fraternity, active member of the college debate team, and competitor on both the water polo and golf teams. Jonathan’s ultimate dream is to receive his Juris Doctorate and become a state prosecutor in white-collar crime, hoping to challenge the intolerable impunity of ordinary perpetrators that runs rampant today.

Greta Zaurinyte - Paralegal

Greta Zaurinyt

PARALEGAL

BIO

Greta is a paralegal at Clarkson Law Firm, P.C. Recognized for her ability to grasp new concepts quickly and efficiently, Greta began her career as a personal injury paralegal where she supervised and managed case deadlines; drafted and prepared legal documents such as pleadings, motions, and correspondences; and led client interactions for client updates and scheduling of depositions.

Before moving to California in 2013, Greta studied at the University of East London, where she competed on the university’s mock trial team and earned her Bachelors of Law. She hopes to be admitted to the bar in the near future and eventually fight for her clients’ rights as an attorney in consumer law.

Our Practice Areas

Class Action & Complex Litigation

With the help of our experienced Attorneys, consumers and ethical businesses are not helpless against deceptive business practices.

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Insurance Bad Faith

Clarkson Law Firm P.C. understands fraud protection and defends against mistreatment of consumers and businesses by insurance carriers.

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Business Litigation

Our team of Attorneys have vast experience solving complex business disputes and providing guidance to successfully resolve matters.

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