David F Diorio

Immigration Lawyer at Sidley Austin LLP

  • Recent Case: 324
  • Success Rate: 100%

Suggest Edit - Own this firm?

Contact Information


  • 312-853-7000
  • ddiorio@sidley.com, immigrationefile@sidley.com, abenditzson@sidley.com
  • One South Dearborn St., Chicago , IL 60603

About David F Diorio


David F Diorio, who is licensed to practice at Supreme Court Of Illinois, IL, is an immigraton attorney at Sidley Austin LLP. During the past three years, David F Diorio has filed 258 labor condition applications for H-1B visas, all have been approved , and 66 labor petitions for employment based green cards, all have been certified(approved). The overall case success rate is 100%.

Client Information


Top Employer Clients
Industries Represented
    Professional, Scientific, and Technical Services, Educational Services, Finance and Insurance, Management of Companies and Enterprises, Information, Other Services (except Public Administration), Retail Trade

Statistics of Labor Petitions for H-1B Visa & Employment Based Green Card(PERM)


LCA For H-1B Visa
  • Applications Filed: 258
  • Case Denied: 0
LC for Green Card(PERM)
  • Applications Filed: 66
  • Cased Denied: 0

Labor Petitions (LC) for Green Card (PERM) Applications


David F Diorio has assisted clients in filing labor petitions for Green Card (PERM) applications. Below are key statistics:

Top Beneficiary Visas

H-1B, O-1, E-3

Top Job Titles

Senior Data Engineer, Client Engagement Manager, Senior Solution Architect/Tech Lead, Senior Business Analyst, Senior Machine Learning Engineer, Senior Devops Engineer, Senior Backend Engineer, Data Integration Engineer Ii, Staff Qa Engineer, Senior Data/Decision Science Consultant

Top O*NET Titles

Data Scientists, Computer And Information Systems Managers, Database Architects, Software Developers, Statisticians, Software Developers, Systems Software, Software Developers, Applications, Software Quality Assurance Engineers And Testers

Top Locations

Marlborough, MA, New York, NY, New Yotk, NY

Labor Condition Applications(LCA) for H-1B Visa


David F Diorio has filed labor condition applications for H-1B visas for a wide variety of positions and locations. Below are the top statistics:

Top Beneficiary Visas

H-1B, E-3 Australian

Top Job Titles

Senior Data Engineer, Data Engineer, Technology Lead, Senior Machine Learning Engineer, Technical Program Manager, Technical Architect, Conversation Bot Engineer , Client Engagement Manager, Machine Learning Engineer, Senior Client Solutions Partner

Top O*NET Titles

Software Developers, Applications, Software Developers, Database Administrators, Database Architects, Information Technology Project Managers, Computer and Information Systems Managers, Physicians and Surgeons, All Other, Physicians, All Other, Sales Engineers, Hospitalists

Top Locations

Marlborough, MA, Loma Linda, CA, Princeton, NJ, New York, NY, Chicago, IL, Plano, TX, Milpitas, CA, Irving, TX, Redlands, CA, Moreno Valley, CA

Practice Areas


  • Green Card Applications: Helps clients obtain lawful permanent residency.
  • Student and Exchange Visas: Supports F-1 and J-1 visa applicants.
  • Temporary Protected Status (TPS): Assists individuals from designated countries.
  • Employment Visas: Assists businesses and individuals with work visa applications, including H-1B, L-1, O-1, and E-2 visas.

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