David brings his trial experience as a litigator, unique knowledge of special education process and services, and formidable passion to his special education practice. David has served as Executive Director of Pacific Autism Center for Education (PACE) and Rebekah Children's Services. David opened Tollner Law Offices in 2007 and has since built it into one of the largest disability law firms in Northern California, serving children and adults with special needs.

Sarah has been a civil rights attorney, working on behalf of individuals with disabilities, since 2005 when she received a Juris Doctorate from University of San Francisco. Sarah has specialized knowledge of the Individuals with Disabilities in Education Act (the “IDEA”) as well as other civil rights laws such as Section 504 of the Rehabilitation Act and the Americans with Disabilities Act. Sarah  has been a part of the Tollner Law Offices team since 2014.

Mark Wojciechowski brings to TLO almost 30 years of litigation experience in state and federal courts.  He has extensive civil jury trial experience and has successfully mediated over 75 cases in his career.  He has a son with special needs and therefore extensive experience with special education law from a parent perspective.  Mark came to TLO in 2018 and represents families in special education law matters as well as discrimination and ADA claims in civil courts.

Raymundo Mendoza comes to TLO as the parent of a special needs child for whom he fought, year after year, against the school district for appropriate services. Ray brings his impressive trial experience and passion for helping others to TLO to assist in our mission of providing the nation’s best legal support for children with special needs. Raymundo Mendoza is strictly a hearing attorney for TLO and is not taking clients at this time.

For over 30 years, former Chief Assistant District Attorney, Mr. Marc Buller, was responsible for various functions of the District Attorney’s Office. In addition to taking over 100 jury trials to verdict, he was a leader within the office on matters related to Juvenile Justice and has been a member of the San Jose Mayor’s Gang Prevention Task Force since 1993. Marc developed multiple community and school outreach programs that include an inter-agency committee on law enforcement and schools and Youth Court at local high schools, as well as establishing the Law Related Education Program (LRE) for 5th grade students. Marc Buller is strictly a hearing attorney for TLO and is not taking clients at this time.

Emily Hart joined TLO in 2021 and is based in the Southern California area. Emily gained experience in special education advocacy beginning in 2019 when she joined her law school’s pro bono Children’s Rights Clinic. She brings her knowledge and training in advocacy, negotiations, and litigation to zealously advocate on behalf of her clients.

Kelly Chacon joined TLO in 2021 and is based in the Southern California area. While in law school, Kelly represented students with disabilities in special education matters as an advocate in both Southwestern’s Children’s Rights Clinic and Frank D. Lanterman Regional Center’s Clinic. Kelly’s passion for special education law is supplemented by her comprehensive educational background in alternative dispute resolutions and advocacy training.