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AVAILABLE NATIONWIDE
EXPERT WITNESS FOR COMMERCIAL TRANSPORTATION LITIGATION
Trusted by plaintiff and defense counsel for objective analysis, defensible opinions, and composed testimony in complex transportation matters — from negligent entrustment and Graves Amendment disputes to FMCSA compliance and rideshare driver vetting.
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AREAS OF EXPERTISE
DEEP DOMAIN KNOWLEDGE ACROSS COMMERCIAL TRANSPORTATION
Engagements span every layer of the transportation ecosystem — operations, safety, compliance, and the contractual frameworks that govern liability.
RIDESHARE & GIG ECONOMY
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Transportation Network Companies (TNC)
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Uber & Lyft Litigation
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Car Share Operations
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Driver Classification
COMMERCIAL TRUCKING
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Motor Carrier Operations
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Delivery Driver Operations
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FMCSA Compliance Review
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Hours-of-Service Analysis
CAR RENTAL & LIABILITY
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Rental Policies & Procedures
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Negligent Entrustment
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Vicarious Liability
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Graves Amendment Defense
DRIVER SAFETY & COMPLIANCE
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Driver Compliance & Safety Protocols
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Hiring & Vetting Procedures
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Background Checks
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Driver Retention Standards

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INDUSTRY EXPERIENCE
ENGAGEMENTS INVOLVING INDUSTRY-DEFINING COMPANIES
Matters involving operations, policies, and procedures of leading transportation, logistics, and insurance organizations.




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NATIONWIDE LITIGATION SUPPORT
AVAILABLE TO COUNSEL ACROSS THE COUNTRY
Retained as a transportation expert in matters spanning 12+ state jurisdictions, with the ability to support trial schedules, depositions, and mediations nationwide.
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12+ STATE JURISDICTIONS
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LAW FIRM & INSURANCE CLIENTS
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PLAINTIFF & DEFENSE
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TRANSPORTATION INDUSTRY FOCUS
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EXPERT WITNESS SERVICES
FULL SPECTRUM LITIGATION SUPPORT
From early case assessment through trial testimony — engagements scoped to the strategic needs of trial counsel.

EXPERT WITNESS RETENTION
From initial case assessment through trial, I provide independent analysis and defensible opinions on commercial transportation matters including rideshare, trucking, and rental liability.

STRATEGIC RESEARCH
I dig into Graves Amendment applications, negligent entrustment claims, vicarious liability frameworks, and gig economy driver classification disputes.

MEDIATION SUPPORT
I provide real-time consultation on the strengths and weaknesses of transportation-related claims to help counsel achieve favorable settlements.

DISCOVERY PREPARATION
I help counsel identify critical policy violations, driver record discrepancies, and compliance failures that strengthen your liability or defense strategy.

OPINION PAPERS
My reports are detailed, cited, and written to withstand Daubert challenges — focused solely on the facts and transportation industry standards.

ARBITRATION & TRIAL TESTIMONY
I have experience across 12+ state jurisdictions and am available nationwide for in-person or remote testimony in commercial transportation litigation.

CONSULTATIVE REVIEW & ANALYSIS
I evaluate hiring, vetting, background check, and retention protocols against FMCSA standards and industry best practices for TNCs, car rental, and delivery fleets.

DEPOSITION TESTIMONY
I remain objective and professional under oath, explaining complex driver safety protocols and liability issues in plain language that juries and judges understand.

CONTACT FOR ENGAGEMENT
Available nationwide for confidential consultation. Contact us to discuss your case, request a retainer, or schedule a deposition. Initial consultations are complimentary.
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FEE SCHEDULE
TRANSPARENT, PROFESSIONAL RATES
Fees reflect the experience, preparation, and standard of work required for high-stakes transportation litigation. Customized engagements available upon request.
01. INITIAL CONSULTATION
Up to 30 minutes
COMPLIMENTARY
02. RETAINER FEE
Applied to future hours
$6750
03. HOURLY REVIEW RATE
Records review & analysis
$450 / hr
04. DEPOSITION RATE
4-hour minimum
$550 / hr
05. TRIAL TESTIMONY
$750 X4 hours minimum
$3000 / half day
Plus reasonable expenses
06. TRAVEL RATE
$450 / hr
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RETENTION REQUIREMENTS
ENGAGEMENTS BEGIN WITH A CLEAR FOUNDATION
Each engagement begins with a structured intake process to confirm scope, screen for conflicts, and align on schedule. This protects the integrity of the work product and ensures readiness for deposition and trial.
➣ Signed Engagement Agreement
➣ Retainer Payment Received
➣ Case Documentation Submission
➣ Conflict Check Cleared
➣ Scheduling & Deadlines Confirmed


S. COMBS
PRINCIPAL EXPERT
AVAILABLE NATIONWIDE | 12+ STATE JURISDICTIONS
EXPERT WITNESS FOR COMMERCIAL TRANSPORTATION LITIGATION
Trusted by plaintiff and defense counsel for objective analysis, defensible opinions, and composed testimony in complex transportation matters — from negligent entrustment and Graves Amendment disputes to FMCSA compliance and rideshare driver vetting.
PROFESSIONAL PROFILES ↓

PROFESSIONAL INQUIRY
REQUEST A CONFIDENTIAL CONSULTATION
Inquiries from attorneys, law firms, and insurance carriers are welcomed and treated confidentially. Initial consultations are complimentary and subject to conflict screening. Nationwide availability — engagements accepted in all 50 states.