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Holiday Systems International (HSI) is a prominent provider of technology-based products and services for the vacation ownership industry. They offer a suite of solutions including reservation systems, lead generation tools, member servicing, and travel agency services. HSI aims to enhance the vacation ownership experience for both developers and members by providing innovative software, reliable call center support, and access to diverse travel benefits. Their focus is on delivering value and efficiency to their clients in the competitive travel and leisure market, operating as a key brand within Interval International, a Marriott Vacations Worldwide company.
Serves as a key operational hub, housing corporate management, software development teams, customer service operations, and sales for Holiday Systems International's diverse range of travel and timeshare technology solutions.
Located in a modern office park environment, designed for operational efficiency and collaborative work. Specific architectural highlights are not widely publicized, but facilities support a significant workforce in technology and customer service.
As part of Interval International and Marriott Vacations Worldwide, the work culture likely emphasizes customer focus, innovation in travel technology, and teamwork. Employees engage in providing solutions for the dynamic vacation ownership industry within a collaborative corporate setting.
The Las Vegas location is strategically important due to the city's status as a major travel and hospitality hub, providing access to industry talent and a vibrant business environment conducive to HSI's operations in the timeshare and travel sectors.
While Holiday Systems International's primary physical office is in the United States, its services and technology solutions support clients and members in the vacation ownership industry globally. Through its integration with Interval International (a Marriott Vacations Worldwide company), HSI's reach extends to resorts and travel partners across North America, Europe, Asia, Latin America, and other international markets. They provide software, call center support, and travel fulfillment services that cater to a worldwide customer base.
1550 E. Warm Springs Road
Las Vegas
Nevada
USA
Address: 6262 Sunset Drive, Miami, FL 33143, USA
Serves as the primary corporate hub for Interval International, overseeing global strategy, finance, and operations that underpin HSI's specialized services within the vacation ownership sector. HSI leverages Interval's global office network for broader operational support.
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As of April 2025, Holiday Systems International' leadership includes:
Holiday Systems International has been backed by several prominent investors over the years, including:
Specific executive news for Holiday Systems International as a distinct unit is not frequently publicized. Major leadership changes would typically be announced at the Interval International or Marriott Vacations Worldwide level. No major HSI-specific leadership changes have been widely reported in the last 12 months.
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Holiday Systems International, as part of Interval International, primarily uses email formats consistent with its parent company. Common corporate email patterns include first name initial followed by last name, or first name.lastname, typically using the '@intervalintl.com' domain.
[first_initial][last]@intervalintl.com (e.g., jsmith@intervalintl.com) or [first].[last]@intervalintl.com (e.g., jane.doe@intervalintl.com)
Format
jsmith@intervalintl.com
Example
75%
Success rate
Hospitality Net • May 20, 2024
Interval International, the parent company of Holiday Systems International (HSI), announced the affiliation of Margaritaville Vacation Club® – St. Somewhere Resort Holbox Island in Mexico. This addition expands options for Interval members. HSI's technology and service platforms play an integral role in supporting such new affiliations, reservation systems, and member servicing for Interval International's global network....more
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