Neutral Profile



  • Based in Orange County, available in All of California
  • Available for Mediation, Arbitration, and Private Judging assignments


With nearly 35 years of combined experience, having participated in approximately 1,500 mediations and arbitrations as both an advocate and neutral, Mr. Oesterreich’s passion for the ADR process has led him to dedicate his practice to full-time neutral work. He represented both plaintiffs and defendants in all types of personal injury matters, including wrongful death, premises liability, product liability including lemon law, and transportation/motor vehicle. His experience also includes business litigation and a wide variety of professional malpractice matters. He also has represented Fortune 100 corporations, small businesses, and business executives in matters including breach of contract, trade secrets, employment, and partnership dissolution matters.

Additionally, for more than 20 years, Mr. Oesterreich has volunteered as both an arbitrator and mediator for the Los Angeles County, Orange County, and Riverside County superior courts. He is a member of the Orange County Chapter of the American Board of Trial Advocates (ABOTA). Coupled with his high energy, Tom works extremely hard, and his personal style is one that is outgoing and incredibly engaging. One client commented, “Tom was instrumental in bridging the communication and understanding gap between the parties. His dedication to the mediation process allowed for the parties to reach resolution as he saw the case to completion.”

Practice Areas

Hobbies & Interests

Tom enjoys time at the beach, traveling, wine tasting, golf, and Dodgers baseball.



"Tom did a great job getting a difficult case resolved. He immediately established credibility with the client, and made smart recommendations. Will definitely use him again."
- Attorney on a Business/Contractual case

"I was very impressed with Tom’s energy and he is so smart. The case wasn’t ready to settle but we covered a lot of ground and will be on a path to resolve it next week."
- Attorney on a PI Matter

"Mediator was very good - Knowledeable about the facts and law and took time to inquire further into controverted areas. He was able to speak respectfully but directly to the parties when it was necessary."
- Attorney on a Business/Commercial case

"He is the first mediator EVER who did not stress me one bit and he really earned his fees! Tom is a fantastic mediator. I would propose and use him for any of my cases as long as the other side agrees. He had taken his time to read the briefs and he is really knowledgeable about the applicable law. He is patient, extremely polite and a good listener, and a good negotiator."
- Attorney on an Insurance Coverage Dispute

"Tom Oesterreich is an intelligent, observant, and well-demeanored mediator. He picks up on the issues and pushes both sides toward a reasonable resolution. He doesn't quit on a mediation even if one side is blatantly unreasonable, but attempts to come up with creative resolutions."
- Attorney on a Personal Injury case

"Mr. Oesterreich is everything a neutral should be. He is experienced, affable, and capable of maintaining control of the resolution process. "
- Attorney on a Premises Liability case

"Never thought a mediator could settle this one, but he was creative and tenacious and got it done."
- Attorney on a Real Estate Commercial Matter

"Very friendly approach to resolving issues raised methodically, good knowledge of the case of each party and less pressure but determined to settle the case for the parties."
- Attorney on a Warranty of Habitability Matter

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Experience Summary

Legal Career

  • Full-Time Mediator & Arbitrator, Judicate West (Present)
  • Partner, Lewis Brisbois Bisgaard & Smith, LLP (2000-2021)
  • Settlement Officer, Orange County Superior Court (2018-2021)
  • Associate, Lynberg & Watkins (1996-2000)
  • Associate, Nyman, Johnson & Maguire (1990-1996)

Education & Professional Affiliations

  • J.D., University of Houston Law Center (1986)
  • B.B.A. Loyola Marymount University (1983)
  • American Board of Trial Advocates (ABOTA), Member (2020-Present)
  • Southern California Mediation Association, Member (Present)
  • Orange County Bar Association, Masters Lawyers Division, and Alternative Dispute Resolution section, Member (Present)
  • “Mediating the Litigated Case”, Pepperdine Straus Institute for Dispute Resolution (2018)
  • Orange County Superior Court Pro Tem Program (2018)

Legal Experience

  • All types of Personal Injury
  • Business/Contractual
  • Construction Defect
  • Employment
  • Lemon Law
  • Professional Negligence

Representative Case Information

Recent Representative Cases


Complex Commercial

  • Mediated shareholder dispute of a closely held business owned by lifelong friends involving contentious allegations that included breach of fiduciary duty, misappropriation, fraud, and other breaches under the contract documents. Ultimately worked out an acceptable solution under which shares were redeemed and a buyout with non-compete was structured to the mutual satisfaction of all key players.

Lemon Law

  • Mediated a settlement of a multi-plaintiff class action opt-out matter involving a systemic vehicle failure. In addition, mediated single-vehicle buyback cases to resolution.


Constr. Defect/Real Property

  • Mediated construction defect claims involving a general contractor (and subcontractors) arising out of improvements at a single-family residence.

Construction Defect Mold

  • Mediated a single home construction defect case arising out of a poorly designed roof and deck system that allowed for water intrusion. Complicating the issues was the latent nature of the defects and intrusion allowed for significant mold growth that resulted in bodily injury to the ultimate purchaser. Damages sought included cost of repair and loss of use as well as recovery for medical treatment and alleged lifetime compromise of pulmonary function.


Wage and Hour

  • Mediated employment wage and hour dispute wherein plaintiff alleged wages were untimely paid, wage statements were inaccurate, and wages were improperly withheld.
  • Mediated claims by domestic worker/personal care attendant against a recipient of care and adult children that oversaw care under Domestic Worker Bill Of Rights.


Insurance Broker Agent Malpractice

  • Mediated an insurance broker E&O matter involving allegations of a failure to secure appropriate coverage.
  • Mediated an insurance agent negligence claim involving a failure to change life insurance beneficiaries.

Real Estate

Property Damage

  • Mediated customers’ claims of negligence and bailment following a catastrophic fire that destroyed unique off-road racing vehicles valued at several hundred thousand dollars.

Warranty of Habitability

  • Mediated settlement of claims against a landlord arising from bed bug infestation of multiple apartments.
  • Mediated landlord-tenant claims involving claims of black mold and other uninhabitable conditions.
  • Mediated a bed bug case involving a mother and daughter exposed to a severe infestation, compounded by damages suffered when the pest control company oversprayed as part of the eradication effort, destroying their personal possessions in the process.


General Negligence

  • Mediated a premise liability action involving a customer injured when a piece of lumber being brought down by an employee fell, striking him on the head. Injuries claimed included a TBI, various orthopedic ailments, and resulting tinnitus. Liability, causation, and damages were hotly contested.

Personal Injury

  • Mediated a slip and fall matter involving a patron at a grocery store. Plaintiff had a history of knee issues including a prior total knee replacement. Significant questions were raised regarding the reasonableness of the defendant’s sweep policies and compliance with those policies. As a result of the fall, the plaintiff was forced to undergo a second total knee replacement.
  • Mediated a premises liability case involving a trip and fall in a movie theater bathroom. Liability was hotly contested given sweep sheets reflecting an inspection before the plaintiff's fall on an unknown liquid. Damages issues were complicated by the fact that the plaintiff had a prior slip and fall that resulted in similar injuries making causation a focus in addition to the liability/notice issues.

PI Assault and Battery

  • Mediated settlement of claims of parental liability for criminal acts of an adult son who attacked a neighbor causing significant bodily injury.
  • Mediated a premises liability case against a landlord and management company. The case involved an attack on a tenant by a homeless schizophrenic resulting in significant bodily injury and emotional distress. Plaintiff claimed that the entrance gate to the property had been inoperable for an extended period of time and despite reports to management, remained unsecured. The criminal third-party testified in deposition that had the gate been secured the voices in his head would have directed him to find a different and more accessible property to invade.

PI Auto

  • Mediated settlement of claims arising from what appeared at face value to be a low-impact rear-end auto v auto collision, that resulted in claims of significant spinal injuries, including the placement of a spinal cord stimulator. Degenerative conditions created significant causation questions.
  • Mediated settlement of a policyholder's claims arising from an auto v auto collision with a third party seeking UIM policy limits.
  • Mediated settlement of claims arising from a bus v auto causing allegedly catastrophic damages to plaintiff requiring extended treatment, including hospitalization and surgeries.
  • Mediated personal injury claims involving the shoulder, back, pelvis, and ankle fractures after the plaintiff was struck by a vehicle. Policy limits were insufficient and a personal contribution was also negotiated.
  • Mediated personal injury claims concerning spine and leg injuries suffered by a motorcyclist hit by a car.
  • Mediated claims for extensive physical injuries, including brachial plexus, thoracic outlet syndrome, and back problems arising out of an intersection “T-bone” collision.
  • Catastrophic injury case where an elderly woman is run over by a lifelong friend. Severe crush injuries to her shoulder, pelvis, and leg. Central issues of quality of life, life expectancy, future medical care (home health care vs. LVN care), and valuation of having to move from self-sufficient living to assisted living/medically monitored living facility.
  • Mediated a multi-vehicle accident involving 8 parties with a global policy limit demand for various levels of claims, including severe orthopedic and neurologic injuries. Global resolution of all claims achieved.
  • Mediated a significant impact rear-end truck v. auto claim involving orthopedic injuries as well as claims of a significant exacerbation to mental health conditions requiring both inpatient and outpatient treatment.
  • Mediated a serious impact semi v. automobile case. Injuries resulting from the intrusion into the plaintiff's passenger cabin in the "t-bone" collision included a fractured pelvis (requiring the placement of significant hardware), She also had foreign objects, including glass, removed from her eye and subcutaneously. Residuals lingered long after the crash. Compounding her damage picture was a claim that the pelvic injuries and hardware would interfere with her ability to carry a child to term.
  • Mediated a significant impact collision claim involving a hit and run “phantom” driver. Injuries to a backseat passenger included a “hangman’s fracture” at C-2 and other orthopedic injuries. Plaintiff also had undisputed intracranial bleeding and a resulting mild to moderate TBI with cognitive impairment. The accident also resulted in unresolved traumatic sixth cranial nerve palsy.

Premises Liability

  • Mediated settlement of claims arising when a mother out walking with her toddler was viciously attacked by a pit bull.
  • Mediated settlement of premises liability claim arising from injuries plaintiff suffered when a dilapidated gate fell off its hinges and crushed his hand causing permanent and debilitating injuries.
  • Mediated settlement of claims arising from slip and fall suffered by a disabled man caused by an allegedly dangerous condition of poor lighting and exterior stairs that violated building codes.
  • Mediated personal injury claims against regional retail home improvement chain wherein plaintiff alleged negligence resulting in spinal and knee injuries.
  • Mediated shopper's personal injury claim after a fall in the produce section of a grocery store where protocols for inspection were not followed.
  • Mediated personal injury claims that were allegedly sustained as a result of a dangerous condition on a city sidewalk.
  • Mediated personal injury claim concerning soft tissue injuries to spine and knee against a national fast-food franchisee wherein liability and damages were hotly contested.
  • Mediated a matter involving burns suffered in an apartment fire and the unfortunate wrongful death of the tenant following an accidental prescription drug overdose.
  • Mediated a multi-party case involving alleged overcrowding on the second floor of a nightclub that lead to a glass wall breaking sending debris into the crowd below. Various injuries were sustained including lacerations requiring surgical repair and post-concussion syndrome. Global resolution reached.
  • Mediated a black mold exposure matter involving a family of four (including two small children). Allegations involved a 100+ year-old home with an alleged history of roof leaks that went unaddressed resulting in mold growth and exposure. Case settled on the eve of trial after two prior unsuccessful mediations.
  • Mediated a trip and fall in commercial complex that resulted in facial injuries including a claim of traumatic glaucoma. Although existence of the disease was not disputed, significant causation questions were raised by the testimony of the treaters and retained experts.

Product Liability

  • Mediated product liability claims including manufacturing defect, design defect, failure to warn, and negligent strict product liability in connection with injuries allegedly sustained due to explosion of automobile radiator overflow tank due to alleged defect in cap design and/or manufacture.