About Us
Nathan H. Petersen
Nathan Petersen’s practice focuses primarily on family law, including dissolutions, custody issues, child support, modifications of parenting plans, and adoptions. He also works on dependency matters representing children who have been placed into state care by CPS, CAPTA proceedings representing individuals accused of negligent or maltreatment of a child, and guardianship proceedings. Nathan is licensed in Washington State and Texas (inactive), and previously worked defending doctors, hospitals, and other healthcare providers in medical malpractice cases. Nathan believes an attorney's role is to provide diligent representation while imparting practical counsel to his clients.
Admitted to Practice
State of Washington
State of Texas (inactive)
Education
University of Houston Law Center
Juris Doctorate
BYU
Bachelor's Degree
BYU - Idaho
Associates Degree
Affiliations, Memberships, & Leadership
Clark College Paralegal Program
Adjunct Professor - Real Estate and Property Law, Estate Planning and Probate, and Legal Research and Writing
Washington State Bar Association
Family Law Section
Clark County Bar Association - Family Law
Vice President - 2013 to 2014
Clark County Bar Association
Young Lawyer's Section
General Member
Hearsay Committee Member
Family Law Section Member
American Inns of Court
Membership Chair - 2013 to 2014
George & Donald Simpson American Inn of Court
Member
2024 Family Attorney of the Year
Ryan Rothermel
Ryan Rothermel’s role with Petersen Rothermel Law Firm is representing clients in family law matters including dissolutions, custody issues, child support, modifications of parenting plans, and adoptions. Ryan believes his role as an attorney is to provide his clients with all the information necessary to understand their legal rights in family law. Ryan focuses on providing both fair representation and open communication with his clients to keep them informed about their case at all times. Ryan’s goal is to keep the often emotional and complicated family law matters as stress free as possible while still providing zealous advocacy when necessary.
Admitted to Practice
State of Washington 
Education
Valparaiso University School of Law
Juris Doctorate
Defiance College
Bachelor's Degree
Affiliations, Memberships, & Leadership
Washington State Bar Association
Family Law Section
Clark County Bar Association
Family Law Section
Leaa Petersen
Leaa supports the firm administratively in accounting, billing and invoicing. Prior to working with Petersen Rothermel Law Firm, Leaa worked at Breathing Systems International in Houston, Texas as the Quality Assurance and Accounting manager. Leaa Graduated from BYU in Provo, Utah with an emphasis in public relations and communication. Leaa is also currently participating in the Washington State Admission and Practice Rule 6 Law Clerk Program as an alternative to attending law school. Rule 9 Legal Intern limited license.
Education
BYU
Bachelor's Degree
Highline Community College
Associates Degree
Affiliations, Memberships, & Leadership
National Notary Association
Samantha King
Samantha joined Petersen Rothermel as a Paralegal in 2021, and is a diligent and supportive member of the team. She initially found an interest in family law while helping someone close to her navigate the system, prompting her to pursue and achieve an Associate’s Degree in Paralegal Studies. Prior to discovering her passion in family law, she worked in customer service for ten years, and brings her experience and professionalism to the job every day.
Education
Portland Community College
AAS, Paralegal (ABA approved paralegal program)
Affiliations, Memberships, & Leadership
Washington State Notary