Commission Issues Sales Staff Expert Witness Testimony Service

Commission issues sales staff expert witnesses at Consolidated Consultants are available by providing independent opinion as a consultant or as a declared expert by verbal or written report in litigation matters. An attorney typically retains an expert witness to give testimony at deposition or trial in the area of commission issues sales staff that is relevant to the case. The following list contains testifying professional experts with special knowledge or proficiency in commission issues sales staff.

To see the qualifications of the potential candidate, choose the “View Expert” button. To setup a free conference call screening with an expert witness from the list, simply choose the “Request This Expert” button located in the experts information page.

1. Real Estate Specialist Expert Witness

Provides Opinion & Testimony In:

Residential Real Estate Standards of Care, Arms-Length Transactions Finder’s Fees, Private Equity Funds Investment Committees Land Disposition, Paper Lots, Land Use & Zoning Homeowner’s Associations Joint Ventures Development Agreements Public Outreach Campaigns Real Estate Budgets Internal Rates of Return Land Development Costs Conditions of Approval Costs to Complete, Budget Variances, Commercial Real Estate Fiduciary Duties, Related Party Transactions Duty to Disclose, Investor Relations Securing Entitlements Finished Lots, Platted & Engineered Lots Management Committees Covenants & Conditions Sponsor Duties, General Plan Amendments Neighborhood Opposition Real Estate Pro Formas Financial Projections Tentative Plats & Maps Real Estate Debt Financing Private Offering Memos Joint Ventures, Syndicated Investments Conflicts of Interest Brokerage Commissions, Real Estate Management Fees Pooled Investment Funds Land Acquisition, Partially Finished Lots Master Plan Communities Public Improvement Districts Special Assessments, Cost Sharing Agreements County Commissions Due Diligence, Pro Forma Analytics, Land Development Final Plats & Maps, Institutional Equity Funding Change Orders, JV Operating Agreements

2. Healthcare Data Regulations Economics Expert Witness

Provides Opinion & Testimony In:

Healthcare Data, Healthcare Regulations, Healthcare Economics, Medical Billing, Health Plans, Self Insured Employers, Hospital Data Systems, Physician Groups, Medical Device, Pharmaceutical, Health IT, Medical Billing, Coding, HIPAA Privacy, HIPAA Security Rule, Hospital Safety Processes, Electronic Health Record Forensic Audits, Medicare Fraud, Medicare, Medicaid, SCHIP Extension Act, Controlled Substances Act, Pain Management Auditing, Opioid Prescribing, Affordable Care Act Rebuttal, Life Care Plan, Future Costs of Care, Reasonable Value of Medical Expenses

3. Thermal Power Construction Project Management Expert Witness

Provides Opinion & Testimony In:

Thermal Power Generation, Construction Supervison, Project Management, Engineering Design, Project Feasibility, Steam, Gas Turbines, Cycle Configuration, Economic Analysis, Specification, Project Development, Coal, Gas Fired, CCGT Plant Performance, Thermodynamics, Fluid Mechanics, Combustion Engineering

4. Pharmaceutical Development Risk Management FDA Review Expert Witness

Provides Opinion & Testimony In:

Pharmaceutical Development, Pharmaceutical Scale Up, Instrumentation, Manufacturing, Drug Development, Drug Safety, FDA Medical Device Regulation, 21 CFR Part 11, FDA New Drug Review Approval Procedures, Standard Operating Procedures, FDA Regulation Compliance, Product Process Optimization, Science, Statistics, Pharmaceuticals Regulatory Affairs, Quality Assurance, GXP, GMP, GLP, GCP Compliance, Regulatory Issues, Risk Management, Review FDA Correspondence,

5. Food Supply Chain Management Expert Witness

Provides Opinion & Testimony In:

food industry, supply chain management, consumer products distribution, cost analysis, manufacturing, distribution, food, beverage, wholesale, fraudulent transfers, bankrupt, sales commisions, pricing research, bottled water, mineral water, tea, soft drink, frozen potato processor, cash flow, strategic operations, customers, sales, data, inventory reduction program, production equipment capacity, safety stock levels, stock keeping unit, forecast accuracy systems, consultation, inbound logistics savings, sku rationalization, private fleet operations assessment, home grocery delivery service, Aluminum cans, Steel cans, Glass bottles, Metallic foil containers, Labels, Packaging materials, confections, logistics

6. Health Care Management Executive Expert Witness

Provides Opinion & Testimony In:

Administration, Hospital Administration, Medical Administration, Medical Credentialing, Healthcare, Community Standards of Administrative Practice, Administrative Community Standards, Medical Staff Credentialing Process, Medical Staff Credentialing Clinical Privileges Process, Negligent Credentialing ELAM, Allied Health Professionals Credentials Privileges Process, Hospital Physician Relations, MEJIA, Hospital Ostensible Agency, Provider Based Physician Contract Negotiations Contract, Administration, Employment, General Liability, Healthcare Administration, Healthcare Facility, Healthcare Management, Healthcare Practices, Administration, Hospital Administration, Medical Administration, Medical Credentialing, Healthcare, Hospital Administration, Hospital Administrator, Hospital Liability, Hospital Provider Based Physician Contracting, Hospital Policies Procedures, Hospital, Standards, Joint Commission Accreditation, Labor employment, Litigation Support, Management, Medical Staff Bylaws, Organization, Provider Based Physician Contracting, Hospital Physician Relations, MEJIA Ostensible Agency Issues, Medical Staff Bylaws, Rules Regulations, Administrative Policies Procedures, Administrative Practices, Hospital Governance, Healthcare Facility Governance, Hospital, Corporate Negligence, Wrongful Termination, Constructive Discharge, Hospital Whistleblower, Healthcare Facility Whistleblower, Hospital Employees Constructive Discharge, Patient Rights Informed Consent, Environment of Care Patient Safety, Hospital Licensing, Healthcare Facility Licensing, Hospital, Regulatory Compliance, Hospital Medicare Certification, Hospital Managed Care Contracting, Compliance with Accreditation Standards, Licensing Regulations Medicare Certification, Personal Injury Negligent Credentialing,

7. Life Health Property & Casualty Expert Witness

Provides Opinion & Testimony In:

Life Insurance Agent, Health Insurance Agent, Property Insurance Agent, Casualty Insurance Agent, Broker, Sales, Service, Compliance, Security Laws, Insurance Regulations, Disability, Annuitites, Mutual Funds, Damage Caused by Hurricane, Key-Man Insurance, Retirement IRA or a Roth IRA, Flood Insurance Adjusters, Federal Emergency Management Agency (FEMA) Claims, Universal Life Insurance Policy, Workers’ Compensation, Affordable Care Act, Auto Insurance Policies, Homeowners Insurance, Flood Insurance Property, How Flood Damages are Valued, Life Insurance Investment, Commercial Property Polices, Coinsurance, Ummbrella Insurance, High Deductible Health Plans, Patient Protection, Reconstruct Insurance Transactions,

8. Fire Alarm Security System Design Expert Witness

Provides Opinion & Testimony In:

Fire Alarm System Design, Fire Alarm System Code, Automatic Detection, Air Sampling Detection, Flame Detection, Heat Detection, Smoke Detection, Aspirating Smoke Detection, Video Image Smoke Detection, Fire Alarm, Fire Alarm Shop Drawings, Fire Alarm Calculations, Fire Alarm Notification, Evacuation, Emergency Voice Alarm, Communications, Emergency Communication System, Fire Alarm Code Analysis, Fire Alarm System Commissioning, Fire Alarm Inspection Test, Fire Alarm Maintenance, Security System Design, Access Control, Intrusion Detection, Video Management System, IP Video, Electronic Security

9. Life Insurance Claims Bad Faith & Affordable Care Act Expert Witness

Provides Opinion & Testimony In:

Life Insurance claim denials of any kind, Life Insurance Contract Policy disputes of any kind, Bad Faith issues Life Insurance Policies, Negligence issues Life Insurance Policies, Breach of Contract issues Life Insurance Policies, Agent, Broker Producer Fiduciary Responsibilities regarding Life Insurance Policies, Unfair Claim Settlement Practices, Unfair Trade Practices, Claim Procedure issues Life Insurance Policies, Guardianship Conservator issues Life insurance Policies, Estate Trust issues Life Insurance Policies, Beneficiary disputes Beneficiary issues Life Insurance Policies, Waiver of Premium issues Life Insurance, Viatical Settlement issues Life Insurance, Policy Lapse Policy Cancellation issues involving Life Insurance, Coverage disputes involving Life Insurance, Investor/Stranger/Third Party Owned Life Insurance transactions, Individual Long Term Disability Claim Denials , Individual Disability Policy disputes, Cancer/Critical Illness Policy disputes Claim Denials, , Proper Sales Practices, Underwriting Guidelines, Sales Practice Administrative matters, Life Claims Procedure, Claims of any type, Life Underwriting Process, Life Claims, Claim Decision process, Accidental Death Claims, Investor Owned Life, Insurance matters, Accidental Death benefits, Life Policy Rescissions, Policyholder Rights, Health Policy Rescissions, Policy owner Rights Responsibilities, Employer Sponsored benefits, Stranger owned Life Insurance, Investor Owned Life Insurance, Billing Coding, Medical Billing Review, Medicare, Medicaid, Accident Health Policy claims issues, Obama Care, ACA Affordable Care Act. Calculation of Subsidies, Undocumented workers, Temporary workers, illegal alien insurance exchanges

10. Legal Malpractice Expert Witness

Provides Opinion & Testimony In:

Lawyer, Mediator, Arbitrator Commercial Business Litigation Transaction Events, Contract Disputes, Creditor Rights Remedies, Business Reorganization, Real Estate Issues, United States Latin America Dispute Resolution

11. Amusement Park Safety Engineer Expert Witness

Provides Opinion & Testimony In:

Mechanical Engineer, Amusement Safety, Engineer, Systems Evaluation, Design, Implentation, QSI, Qualified Safety Inspector, Family Entertainment Centers, Waterparks, NAARSO Certified, Ziplines, Zip Lines, Zip-Lines

12. Trucking Transportation Logistics Distribution Expert Witness

Provides Opinion & Testimony In:

Trucking Distribution, Transportation, Registered Transportation Practitioner, Traffic, Witness, Motor Carrier Rail Administrative Law, Truck Involved Accidents, Physical Distribution Management, Shipping Dock Operations, Regulatory Compliance, Transportation Economics, Motor Carrier Driver Safety Operations, Freight Broker Operations, Logistics Planner, Passenger Operations, Loss Damage Claims, Transportation Contracts, Warehousing Traffic Management, Trucking, Motor Carrier, Freight, Cargo Freight Forwarder, Trucks, Property Broker, Freight Broker, Broker, Loading, Unloading, Lumpers, Owner Operators, Household Goods Moving, Drivers, Driver Qualifications, Leases, Truck Leases, Trip Lease, Rates, Transportation Rates, Buses, Transportation Contracts, Tariffs, Rate Schedules, Hauling, Hauling Agreements, Heavy Hauling, Over Dimensional Freight, Over Weight Freight, Material Handling, Bill of Lading, Transportation Business, US Department of Transportation, Federal Motor Carrier Safety Regulations, FMCS, Federal Motor Carrier Safety Administration, Regulations, Regulatory Compliance, Economics, Transportation Economics, Warehousing, Warehousing Operations, Loss Damage Claims, Over, Short Damage Claims, Consequential Damages, Cargo Loss, Packaging, Securing, Commercial Motor Vehicle, Commercial Driver’s License, CDL, Accident Investigation, Link Exchange, Distribution, Physical Distribution, Industrial Truck, Fork Lift Operations, Fork Truck, Loading Dock, Pallet Jack, Hand Truck, Johnson Bar, Early Departure Accidents, Pallets, Heavy Hauler, Trailers, Pup Trailers, Piggy Back, Cargo Containers, Delivery, Consignee, Consignor, Shipper, Carrier, Common Carrier, Contract Carrier, Private Carrier, Busses, Bus Operations, Carmack, Amendment, Intermodal Equipment Interchange, Hours of Service, Expert, Consultant, Trucking, Factoring

13. Audiology Hearing Consultant Expert Witness

Provides Opinion & Testimony In:

Audiology, Hearing Consultant, Hearing Assessment, Hearing Rehabilitative Treatment, Tinnitus Treatment, Tinnitus Rehabilitation, Lifestyle Implications of Hearing Loss, Hyperacusis, Hearing Instruments, Air Bag Deployment Tinnitus Injuries, Audiology Practice Management, Cranial Nerve Monitoring, Otolaryngology, Forensic Audiology, Hearing Aid, Audiometric Equipment, Middle Ear Implant, Otologics

14. International Commercial Arbitration Political Risk Assessment Expert Witness

Provides Opinion & Testimony In:

Russia, Eurasia, Middle East, Mediterranean, East Europe, Political Risk Assessment, Immigration, International Commercial Arbitration, Corruption, Geopolitics, Energy, Security, Foreign Policy, Emerging Markets, Rule of Law, Transparency, Political Risk, Interpol,

15. Railroad Metallurgical Engineering Expert Witness

Provides Opinion & Testimony In:

Railroad Litigation, Product Liability Litigation, Accident Reconstruction, Metallurgical Engineering, Failure Analysis, Railroad Engineering, Locomotive Design, Material Sciences, ACTAR, Railroad Engineering, Forge Shops, Foundries, Metallurgical Engineering, Component Failure Analysis, Diesel Engine Design, Diesel Locomotive Fuel Consumption, Brake Design, Train Derailment, Locomotive Equipment, Casting Forging Design

16. Consumer Product Safety Regulatory Retail Compliance Expert Witness

Provides Opinion & Testimony In:

Consumer Product Safety, Regulatory, Retail Compliance, Quality Assurance Consulting, Toys, Children’s Products, Sporting Goods, Costume & Fine Jewelry, Sunglasses, Watches, Bags and Other Accessories, As Seen On TV, Clip Strips and Impulse, Seasonal & Celebrations, Crafts, Fabrics and Sewing, Furniture (indoor), Outdoor Living (i.e. furniture and grills), Infant Hardlines & Consumables, Stationery, Kitchen & Dining, Small Appliances, Bedding & Bath, Home Decor, Storage & Organization, Electronics, Electrical, Lighting, Hardware & Paint, Automotive, Pets, Health Beauty Aids, Cosmetics, Personal Care Products, Household Chemicals & Consumables and other Consumer Products (i.e. softgoods, softlines, hardgoods, hardlines, etc.)

17. Property Casualty Insurance Standard of Care Expert Witness

Provides Opinion & Testimony In:

Property Casualty Insurance, Coverage Issues, Economics Of Industry, Information Media, Disaster Insurance, Banking, Investment Activities In Financial Services, Personal Finance Issues, Business Finance Issues, Casualty Insurance, Property Insurance, Fidelity Insurance, National Accounts, Environmental Claims, Surety, E O, D O, Errors, Omissions, Directors, Officers, Homeowners Insurance,

18. Retail Stockbroker Securities Expert Witness

Provides Opinion & Testimony In:

Annuities, Auction Rate Securities, Back Office Procedures, Broker Forgivable Notes, Churning Excessive Trading, Commissions Mark-Ups, Damages, Employment Issues, Hedge Funds, Hedging Strategies For Concentrated Positions, High Yield Bonds Other Complex Debt Instruments, Inter-Firm Hiring Disputes Raiding, Limited Partnerships, Managed Money, Municipal Bonds, Mutual Funds, Options Trading, Registered Investment Advisor Issues, Regulatory Disciplinary Matters, Reits TICS, Retirement Strategies, Rule #144 Control Stock Issues, Suitability, Supervision Compliance, Trading Away, U-4 U-5 Filings,

19. Mexico Law Franchising Distribution Contracts Corporate Foreign Investments Expert Witness

Provides Opinion & Testimony In:

Mexico Law Mexican Attorney, Laws Of Mexico, International Commercial Law, Contract Law, Real Estate Mexico Law Mexican Attorney, International Sales, Franchising, Distribution Contracts, Corporate, Foreign Investments, Civil Litigation, Commercial Litigation, International Commercial Contracts, International Commercial Arbitration,

20. Residential Commercial Real Estate Expert Witness

Provides Opinion & Testimony In:

Licensed Real Estate Broker, Brokerage, Development Real Estate Construction, Feasibility Analysis, Market Evaluations Development for Real Estate Acquisition, Buyers Tenant Representation in Real Estate Acquisition, Seller Owner Representation in Real Estate Sales Leasing, commercial residential brokerage practices industry standards, ethical conduct of brokers in relation statutory ethical codes industry trade association ethical codes, TREC legal Ethics update course, Real Estate Development, Contract Law Finance, industry standards of residential commercial construction contract administration construction practices, Premises Liability Issues, Property Management, Commercial Leases, Owner Builder Developer

21. Information Technology Expert Witness

Provides Opinion & Testimony In:

Information Technology Systems, Computer Systems, Software, Application Software, Project Management, Health Care Systems, COBOL, HIPAA, Healthcare Payer Systems, Manufacturing Systems, Distribution Systems, Systems Implementation, Systems Testing

22. Licensed Real Estate Broker Realtor Certified Property Manager Expert Witness

Provides Opinion & Testimony In:

Commercial Real Estate, Apartment Buildings, Contracts, Storage Facilities, Due Diligence, Real Estate Documents, Landlord Tenant Disputes, Commercial Property, Real Estate, Planned Unit Developments, Leases, Escrow, Real Estate Litigation, Residential Real Estate, Property Management, Real Estate Management, Real Property Claims, Commercial Lease, Building Management, Real Estate Investments, Commercial Property Investments, Real Estate Transactions, Commercial Mortgages, Real Estate Broker, Real Estate Consultant, Real Estate Law, Buyer & Seller Representation, Homeowner Associations, Shopping Centers, Ethical Codes, Industrial Buildings, Industry Standards, Community Associations, Leasing Office, Property, Property Sales, Sales Leasing, Retail Leasing, Tenant Representation, Licensed Real Estate Broker, Brokers Relation, Fair Housing Act,

23. Forensic Accountant White Collar Crime Expert Witness

Provides Opinion & Testimony In:

forensic accountant, white collar crime, commercial litigation, money laundering, securities fraud, insurance fraud, telemarketing fraud, embezzlement, kickbacks, bribery, insider trading, investment fraud, credit card fraud, health care fraud, RICO, racketeering, tax evasion, antitrust violations, banking fraud, identity theft, public corruption,

25. Forensic Ballistics Expert Witness

Provides Opinion & Testimony In:

Firearms, Forensic Ballistician, Microscopy, Toolmarks, Crime Scenes, Shooting Investigations, Ballistics, Trajectory, Police Use Of Lethal Force, Gunshot Distance Determination, Normal Improvised Test Firings, Firearms Cartridge Cases, Gunshot Wounds, Trajectory, Impression Marks, Fractures, Prison Made Improvised Firearms, Tools Burglarious Instruments, Moneybag Seals, Parking Meter Seals, Gunshot Distance Determination Tests, Pattern Tests, Court Ordered Destruction Orders, Special Weapons Testing Training With MA STOP Team, Airborne Firing, Prison Made Firearms, Altered Modified Firearms, Rifles, Handguns, Shotguns, Single Shot, Semi Automatic, Full Automatic, Military Armaments, Firearms Forensic Ballistician Fatal, Non Fatal Shootings, Voluntary Involuntary Shootings, Accidental Shootings, Firearms Neglect, Firearms Malicious Destruction, Drive By Shootings, Police Officer Involved Shootings, Firearms Forensic Ballistician Suicide, Firearms Forensic Ballistician Homicide, Armorer, Firearms Manufacturing Process, SWAT,

26. Employment Law Consultant Expert Witness

Provides Opinion & Testimony In:

Employment, Fair Labor Standards Act, Employment Law Consultant, FLSA, ADA, discrimination, compensation, benefits, privacy, labor, immigration, Employment Law Consultant, Americans With Disabilities,

27. Forensic Regulatory Certified Public Accountant Expert Witness

Provides Opinion & Testimony In:

Certified Public Accountant, Regulatory Accountant, Water Utility Operations, Wastewater Utility Operations, Water Supply Economics,
Water Rights Valuation, Recycled Water Economics, Energy Utility Operations, Power Production, Transmission Services Performance, Wholesale Power, Natural Gas Markets, Power Plant Business Interruption Damages, Alternative Power Fuels, Geothermal, Waste, Hydro,

28. Electrical Fire Accident Product Failures Expert Witness

Provides Opinion & Testimony In:

Electrical Fire Accident Investigation, Fire Investigation, Fire Forensics, Electrical Forensics Engineering, E&O Insurance, Fire Causes, Product Failures, Electrical Equipment Damages, Electrical Equipment Losses, Personal Injury Electrical Issues

31. Civil Structural Engineer Expert Witness

Provides Opinion & Testimony In:

Civil, Structural Engineering, Development, Forensic Engineering, Value Engineering, Residential Property Design, Construction, Structure Design, Construction Materials, Construction Processes, Standard Engineering, Construction Processes, Historic, Current Code Requirements, Land Development, Forensic Engineering, Residential Construction, Construction Codes, Construction Materials, Materials,

32. Computer Software Application Programming Coding Expert Witness

Provides Opinion & Testimony In:

Computer, Mainframe, COBOL, Software, Application, Development, Programming, Language, Coding, Testing, Error, Gross, Negligence, Databases, Data, Architecture, Modeling, Analysis, Workplace, Job, Interview, Denial, Discrimination, Foreign, Accent, Harassment, Bullying, Boycott, Ostracism, Practical, Joke, Disability, Hearing, Loss, Russian, Forensic Computer Source Code and Data Analysis, Malicious Intent, Bona Fide Error, Emotional Distress, Mood Swings, Disruptive Behavior, Social Anxiety

33. Biomedical Engineering Expert Witness

Provides Opinion & Testimony In:

Biomedical Engineer, Electrical Engineer, Certified Clinical Engineer, Patent, Medical Devices, Product Liability, International Health Care Safety Professionals, Biomedical Devices, FDA Neurological Devices, Laser Device Instructions For Use, Manuals, Labels Warnings, Department of Health Human Services, FDA, Kugel Mesh Hernia Patch, Radiological Equipment, FDA Regulatory Issues, Medical Devices Life Cycle, Medical Device, Equipment, Safety, Biomedical, Clinical engineering, infusion pump, ESU, laser, Monitor, Equipment Labeling, Healthcare technology, compliance, Risk, Equipment repair, Maintenance, Medical technology life cycle, Wireless networks, FDA, Telemedicine, Regulation, Defect, patent IP.

34. Bicycle Accident Reconstruction Expert Witness

Provides Opinion & Testimony In:

Bicycle Accidents, Bike Shop Repair Assembly Issues, Bicycle Helmets, Product Failure, Riding Conditions, BMX, Component Design, Handling, Stability, Appropriate Rider Actions, Rider Response, Rider Safety, Mechanical Set Up, Design, Engineering Of Frame, Drive Train, Tires, Tubes, Braking Components, Bike Handling, Rider Proficiency, Rider Response, Accident Duplication, Hazardous Conditions,

35. Banking Finance Expert Witness

Provides Opinion & Testimony In:

Banking Finance, Bank Policies Procedures, Lender Liability, Standards of Practice, Regulatory Procedures, Influence Issues, Forensic Commercial Lending, Commercial Loans, Accounts Receivable Financing, Construction Loans, Commercial Mortgages, Equipment Loans, Standards of Conduct, Breach of Covenants, Negligence Gross Negligence, Breach of Fiduciary Duties, Loan Evaluation, Loan Administration, Good Faith, Bankruptcy, Fairness Rates, Interest Rates, Fraud, Dischargeability, Commercial Finance, Factoring, Purchase Order Finance, Credit Analysis, Equipment Leasing, Banking Regulations Laws, Consumer Credit Reporting Laws, Bank Operations, Loan Participations, Syndications Documentation, Troubled Debt Restructuring Practices, Loan Workouts, Loan Portfolio, Purchases, Sales, Collection Practices, Loan Commitments,

36. Computer Sciences Expert Witness

Provides Opinion & Testimony In:

Applications software Architecture Implementation, Software Analysis, Reverse Engineering for software Intellectual Property Disputes,Bioinformatics, Electronic Design Automation, Banking Trading Systems, Digital Cartography, OS Acceptance Test Suites, Simulations, Numerical Ocean Wave Forecasting, Linux Unix Microsoft Systems, C C++, Perl, SQL, HTML, Java languages, Oracle Sybase database schema design, algorithms, relational database RDBMS, graphical user interfaces GUI,

37. Airline Pilot Aviation Expert Witness

Provides Opinion & Testimony In:

Airline Pilot Aviation, Aviation, Airline Pilot Aviation Management L 1011, Vanguard, DC 10, DC8, B767, B747, ICAO, IATTA, Start Up Operations Companies, Management Issues, Training Issues, Aircraft Accidents, Incidents, Disputes, Corporate, General Aviation Pilot, Aviation Pilot Standards, Aviation Pilot Performance Analyses