About Derek Casey

Derek Casey is a California attorney with nearly a decade of legal experience in personal injury and criminal defense matters. Raised in Modesto, he attended Grace Davis High School and the Ray Simon Criminal Justice Training Center, where he earned a Peace Officer Standards and Training (POST) Certificate. He then attended Modesto Junior College and later earned his J.D. from Lincoln Law School, graduating in 2016.

He passed the California Bar Examination in July 2016 and was admitted to the State Bar in December 2016. Before entering private practice, he worked with the Modesto Police Department and the Stanislaus County District Attorney's Office, gaining direct knowledge of law enforcement procedures and the criminal justice system. His practice at Arnold Law Firm is devoted primarily to representing injured individuals in personal injury matters, while he also maintains experience in criminal defense.

Proven verdicts and settlements at Arnold Law Firm

These results are credited to Arnold Law Firm. A result appears under an attorney's own name only when a published source names them as counsel on the case.

$60 millionSettlement

M. Anderson Berry of Arnold Law Firm was among plaintiffs' counsel in a $60 million class action settlement against Morgan Stanley Smith Barney arising from two separate failures to secure customer data on decommissioned IT equipment, affecting approximately 15 million current and former clients.

U.S. District Court, Southern District of New York · 2022Class ActionsRead the full story →
$21 millionSettlement

M. Anderson Berry of Arnold Law Firm was appointed as one of three court-appointed class counsel in a consolidated class action securing a $21 million settlement for roughly 3.5 million people whose personal and financial data was exposed in a 2020 ransomware attack on global insurance broker Arthur J. Gallagher and Co.

U.S. District Court, Northern District of Illinois · 2025Class ActionsRead the full story →
$17.6 millionSettlement

Arnold Law Firm attorney M. Anderson Berry served as plaintiffs' co-counsel in a $17.6 million class action settlement resolving claims that Kemper Corp. and subsidiary Infinity Insurance failed to protect the personal data of approximately 6.1 million customers across two separate breaches in 2020 and 2021.

U.S. District Court, Northern District of Illinois · 2022Class ActionsRead the full story →
$3.96 million

Scott Ryan Eisenbrandt Jr. was killed in a collision involving a hauling company's truck shortly after its owner bought a commercial policy in 2006. His widow and parents won a California Superior Court wrongful-death judgment of $3,964,030.77 against the truck's owner, entered January 21, 2011. They then defeated the owner's insurer in federal court, which had tried to rescind the commercial policy, and the court ordered the insurer to pay the policy's face amount with interest.

California Superior Court; collection action in U.S. District Court for the Eastern District of California, Sacramento · 2011Wrongful DeathRead the full story →

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.

Practice areas

Education

Lincoln Law School
J.D., 2016

Bar admissions & credentials

State Bar of California, admitted 2016

Other attorneys at Arnold Law Firm

View firm →

Proven verdicts and settlements from other Sacramento firms

Dreyer Babich Buccola Wood Campora
Dreyer Babich Buccola Wood Campora
$117 Million Settlement With Former PG&E Officers and Directors Over California Wildfires
Demas Law Group, P.C., Personal Injury Attorneys
Demas Law Group, P.C., Personal Injury Attorneys
$32.16 million · Sacramento Jury Awards $32.16 Million to Children of Man Killed by Off-Duty Police Detective on I-5
Moseley Collins Law
Moseley Collins Law
$20 million · Army Veteran Paralyzed at Police Traffic Stop Wins $20 Million Settlement from Yuba City
Wilcoxen Callaham
Wilcoxen Callaham
$3.02 million · Jury Awards $3 Million Against Enloe Medical Center After Patient Dies During Device Removal
Del Rio & Caraway, P.C.
Del Rio & Caraway, P.C.
$1.85 Million Verdict After Dump Truck Veers Into Sacramento Driver, L5-S1 Fusion Surgery Required

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.