Gary D. McCallister, brings over five decades of trial and settlement experience and Northwestern University mediation training to complex civil, commercial, and malpractice disputes across Kansas state and federal courts.
Multi-party commercial disputes, antitrust matters, and intricate business conflicts benefit from a mediator with extensive litigation experience across both federal and state court systems. Gary McCallister brings a structured, analytical approach to cases requiring substantive legal knowledge alongside strong facilitation skills.
Skilled resolution of medical malpractice claims, applying substantive knowledge of healthcare standards, medical science and litigation dynamics to bridge the gap between plaintiff and defense counsel.
Mediation of product liability actions and pharmaceutical litigation, where scientific complexity and multi-party dynamics demand an experienced neutral with state and federal court background.
Resolution of construction disputes including contractors, subcontractors, and owner conflicts, applying practical knowledge of project timelines, contracts, and competing obligations.
Business, Commercial. Competition and Antitrust Disputes:
McCallister Mediation offers a confidential, neutral-facilitated process for resolving contract breaches, shareholder conflicts, market-conduct allegations, and regulatory or trade-practice disputes without costly, protracted litigation. Parties retain control over outcomes while addressing complex legal, economic, and business interests—preserving key commercial relationships and enabling creative, mutually agreeable resolutions.
Construction Claims and Lawsuits:
McCallister Mediation provides a confidential, practical forum for owners, contractors, subcontractors, design professionals, and insurers to resolve disputes involving defects, delays, payment, scope, scheduling, and project costs. It allows the parties to evaluate technical and legal issues, manage litigation risk, and develop efficient, tailored settlements without the expense and delay of continued litigation.
Employment Related Claims:
McCallister Mediation provides a confidential, neutral process for resolving workplace disputes involving discrimination, harassment, retaliation, wage-and-hour issues, restrictive covenants, wrongful termination, and employment contracts. It enables employees and employers to assess risks, preserve privacy, and pursue practical, voluntary resolutions without the cost and disruption of prolonged litigation.
Fiduciary Duty Claims:
McCallister Mediation offers a confidential, structured process for resolving disputes involving trustees, directors, officers, partners, agents, beneficiaries, and investors. It helps parties evaluate alleged breaches of loyalty, care, disclosure, or management obligations and pursue practical resolutions while protecting assets, relationships, and sensitive business or family information.
Government Contracts and Claims:
McCallister Mediation provides a structured, voluntary process for agencies, contractors, subcontractors, and other stakeholders to resolve disputes involving performance, payment, scope, delays, changes, and contract interpretation. A neutral mediator helps the parties assess legal and project risks and pursue an efficient, mutually acceptable resolution while accounting for applicable procurement requirements and government authority.
Insurance:
McCallister Mediation provides a confidential, neutral forum for policyholders, insurers, insureds, brokers, and other stakeholders to resolve coverage, claims-handling, valuation, bad-faith, and allocation disputes. It helps parties evaluate policy language, factual and damages issues, and litigation risk while pursuing efficient, practical settlement options.
Professional Liability:
McCallister Mediation provides a confidential, neutral process for resolving claims involving alleged errors, omissions, negligence, or breaches of professional standards by attorneys, accountants, healthcare providers, consultants, and other professionals. It allows the parties and insurers to evaluate liability, causation, damages, coverage, and reputational risk while pursuing an efficient, practical resolution.
Real Estate:
McCallister Mediation provides a confidential, neutral process for resolving disputes involving purchase and sale agreements, leases, development, construction, title, boundary, brokerage, disclosure, and property-management issues. It helps owners, buyers, sellers, landlords, tenants, lenders, and other stakeholders evaluate risks and pursue efficient, practical resolutions without prolonged litigation.
Torts:
McCallister Mediation provides a confidential, neutral process for resolving personal-injury, property-damage, negligence, premises-liability, product-liability, and other civil claims. It enables parties, counsel, and insurers to assess liability, causation, damages, and settlement risk while seeking an efficient, practical resolution.
To schedule a session or discuss whether mediation is appropriate for your matter, reach out directly. All inquiries are confidential.
Use the upload form to submit necessary forms and documents. File types allowed include PDFs, JPEGs, PNGs, DOCX, and TXT formatted files.
This form should be used when a Court has ordered a case to be mediated
This form should be used for all voluntary mediations
This form may be useful to more clearly describe the issues that are important to you
This form is the agreement to mediate and specific terms and conditions for engaging McCallister Mediation
