Consulting Bio

Jill Sweeny: Biography

ATIS Elevator Consultant – Region: West T. +1 510-691-2497 E. jsweeny@atis.com Jill is a skilled professional consultant with 20 years’ experience in the industry providing business development and project management.  Her background in conveyance and construction projects has honed her excellent communications. As a litigation analyst, Jill has served commercial, university, and government building owners with unique …

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Michael Fagan: Biography

ATIS Elevator Consultant – Region: West T:  +1 314-668-7287 E: mfagan@atis.com Michael Fagan is a nationally recognized expert elevator consultant with 50 + years of industry experience in elevator design, construction, modernization, maintenance and repair. For over 24 years, Michael has been an expert witness in federal, state and municipal courts. As a Certified Forensic Litigation …

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Zach Perry: Biography

ATIS Elevator Consultant – Region: Midwest T. +1 314-688-7363 E. zperry@atis.com As an elevator consultant and professional engineer, Zach provides engineering support and solutions for our clients’ building conveyance needs.  With a focus on modernizations and new installations, he offers consulting services to a wide variety of customers, including condominium owners, state agencies, hospitals, universities, and hotels.  …

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Cory Hunter: Biography

ATIS Elevator Consultant – Region: Southeast T. +1 980-214-6473 E. chunter@atis.com Senior Consultant Cory Hunter joined the ATIS team in 2022, bringing two decades of engineering and vertical transportation consulting experience, including projects in federal, municipal, office, university, and healthcare buildings.  Hunter is consulting on elevator design, modernization, maintenance, and due diligence throughout the Southeast and East Coast. Based out …

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Rhonda Rosson: Biography

ATIS Elevator Consultant – Region: Midwest T: +1 314-668-7362 E: rrosson@atis.com Rhonda provides a full scope of services from schematic design and design development to construction documents and construction administration. Her background in engineering and construction project management combined with years of vertical transportation expertise help her to serve each client as a detail-oriented project manager and …

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Zach Snyder: Biography

ATIS Associate Elevator Consultant – Region: West T: +1 314-396-8459 E: zsnyder@atis.com Zach Snyder assists senior consultants with due diligence and maintenance assessments, modernization specifications, and modernization management. “I enjoy taking a systematic and detailed approach to assessing elevator systems to help building owners, investors, and maintenance companies manage elevator systems and improve riding comfort and safety.”   …

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Jeff Valentine: Biography

ATIS Elevator Consultant – Region: Midwest T. +1 608-607-7122 E. jvalentine@atis.com Jeff provides complete ATIS solutions for elevator issues, including maintenance management and quality audit. He helps to ensure that all maintenance services are performed properly and that clients are not charged for services that should be included in their agreement. Jeff is a Qualified Elevator Inspector …

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