Personnel

Mark W. Erwin, M.A. J.D.

Email: markerwin@spectrumeconomics.com

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Mr. Erwin is a Principal of Spectrum Economics, a firm specializing in financial and economic analysis. He specializes in economic analysis and modeling. Mr. Erwin's responsibilities also include the analysis and calculation of economic loss in personal injury, wrongful death and employment cases.

Mr. Erwin has over twenty years experience in the field of forensic economics. He has also participated in development of economic models and authored software for data analysis.

Principal, Spectrum Economics, Inc.

Vice President, Litigation Economics, Inc.

JD, University of Kansas

MA in Economics, University of Kansas

BS in Economics, University of Kansas

Kansas Bar Association, Inactive Status

Jeffrey Frederick v Celso Villa-Roma, Templeton Development, et. al., Case No. A534766, District Court, Clark County, Nevada, Civil Department. Personal Injury. Attorney - David Clayson, Clayson & Marias (Las Vegas, NV).

Max Curry and Barbara Curry v. Exel Direct, Inc., et. al., Case No. 0816-CV08301, Division 02, Circuit Court of Jackson County, Missouri, at Kansas City. Personal Injury. Attorney – Lee Baty, Baty, Holm & Numrich (Kansas City, MO).

Shane Mendenhall v. CSX Transportation, Inc., Civil Action No. 08C-518, Circuit Court for Davidson County, Tennessee, at Nashville. Personal Injury (FELA). Attorney -- Scott Derrick, Gullet Sanford Robinson & Martin, PLLC (Nashville, TN).

Steven Reininger v. St. Alexius Medical Center., No. 06L4677, Circuit Court of Cook County, Illinois, County Department – Law Division. Wrongful Death. Attorney – Mary L. Golden, Lowis & Gellin, LLP (Chicago, IL).

Mary Adusei and Baffour Adusei v. Smith Food and Drug Centers, Inc., Case No. A515356, District Court, Clark County, Nevada. Attorney – Carrie McCrea Hanlon, Pyatt Sylvestri & Hanlon, PLC (Las Vegas, NV).

Clifford W. Schmidt and Deborah Schmidt v. Groendyke Transport, Inc., Case No. 07CV1030, District Court of Wyandotte County, Kansas, Civil Department. Personal Injury. Attorney – Eldon Boisseau, Law Offices of Eldon Boisseau, LLC (Wichita, KS).

Anne McGuire v. Frank Martin, Case No. A518488, District Court, Clark County, Nevada. Personal Injury. Attorney – David Clayson, Cisneros, Clayson & Marias (Las Vegas, NV).

Tammy Fanning v. Sitton Motor Lines, Inc., Case No. 08-CV-2464 CM/DJW, United States District Court for the District of Kansas. Wrongful Death. Attorney - Eldon Boisseau, Law Offices of Eldon Boisseau, LLC (Wichita, KS).

Elizabeth Schubeck v. NY Hair Company, LLC, Case No. A562800, District Court, Clark County, Nevada. Personal Injury. Attorney – David Clayson, Cisneros, Clayson & Marias (Las Vegas, NV).

Estate of Anthony Sanders v. Mammoet USA, Inc., Case No. A555712, District Court, Clark County, Nevada, Civil Department. Wrongful Death. Attorney – Kenneth C. Ward, Archer Norris (Walnut Creek, CA).

Susan Carbonell v. Sunrise Mountain Hospital, Inc., Case No. A527198 Dept. No. I, District Court, Clark County, Nevada. Wrongful Death. Attorney – Diane Carr Roth, Lewis Brisbois Bisgaard & Smith LLP (Las Vegas, NV).

Rodney D. Lemon v. Marvin Kimble, et. al., Case No. A568433, District Court, Clark County, Nevada. Personal Injury. Attorney – Paul M. Haire, Cisneros, Clayson & Marias (Las Vegas, NV).

Mr. Erwin has reviewed and critiqued opposing experts, drafted cross-examinations scripts and/or participated in the analysis and modeling of economic loss and the drafting of reports in over 125 personal injury or wrongful death cases. Mr. Erwin’s expertise in personal injury loss valuation includes:

• Issues that govern the proper framing of loss, such as the plaintiff’s duty to mitigate and the collateral source rule

• Forecasts of future earnings

• Fringe benefit valuation, including medical, private pension and Social Security retirement benefits

• Retirement provisions (and benefits) for federal employees and/or military retirees

• Household services loss

• Offsets for a decedent’s personal consumption

• Determination of economic loss related to future care costs, including the application of offsets for replaced "but for" consumption expenditures and/or adjustments of plan costs to actual given the injured party’s private insurance, Medicaid and/or Medicare coverage.

Mr. Erwin has reviewed and critiqued opposing experts, drafted cross-examinations scripts and/or participated in the analysis and modeling of economic loss and the drafting of expert reports in twenty-eight personal injury or wrongful death cases involving railroaders. In this area, Mr. Erwin’s expertise includes:

• Past and present railroad-labor contracts/agreements

• Special provisions governing railroad retirement
• Railroad retirement benefits

• Adjustment of present value loss for taxes as per FELA requirements

Mr. Erwin has reviewed and critiqued opposing experts, drafted cross-examinations scripts and/or participated in the analysis and modeling of economic loss and the drafting of expert reports in three wrongful termination cases. In this area, Mr. Erwin has expertise in the valuation of complex fringe benefits packages often paid to executives, including pre-tax benefits and stock options.

Mr. Erwin has participated in the refinement of economic loss models developed by Spectrum Economics, Inc. For example, he developed and modeled the iteration method Spectrum uses to correctly resolve after-tax loss in FELA cases.

In addition, Mr. Erwin has developed software that allows users to estimate time-use for any group demographic based on data collected via the U.S. Department of Labor’s American Time Use Survey.