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Melissa Ooi, COO,
US Headquarters: 1102 A Street, Suite 300-56, Tacoma, WA 98402
+1 -702-523-7902

Worldwide Headquarters: Level 1, 242 Victoria Street, Brunswick VIC 3056, Australia
Website is 

EventsPass™ provides essential software tools and best-in-class service for event organizers to quickly launch complex ticketing and registration systems to grow audiences, to capture more revenue, to generate leads for partners, and to access data that will advance their business. We want to be an indispensable marketing partner and are ideal for enthusiast and consumer shows. New ticket types can be created on the fly, and we make transactions and ticket sharing easy for attendees. Our built-in marketing tools help sell more tickets and capture attendee contact information at multiple points. They also love the speed of our CheckIn app. Exhibitors love our LeadGen app and Exhibitor Paid Ticket features, both raising the bar for consumer shows. Real-time data across the show allows for better insights that provide opportunities for your growth.



  • “Without a doubt the most valuable three days of the year for networking, learning, and meeting colleagues.”
    Tony Calanca, Calanca & Associates LLC
  • “Two of the best acquisitions Access Intelligence had executed came directly from contacts and discussions held at the SISO CEO Summit. Beyond that important networking for transactions, I learn best practices from the best in the industry. The ROI for membership is immeasurable.”
    Don Pazour, CEO, Access Intelligence
  • “The impact of SISO is so much bigger than its size. It feels more like a global council of important tribes than a traditional trade association.”
    David Adler, CEO & Founder, Bizbash Media
  • “Our industry thrives on the personal relationships that face-to-face builds, and the CEO Summit is the ultimate place to build YOUR network!”
    Tom Mitchell, President, Messe Dusseldorf North America
  • “As busy, independent, for-profit organizer, SISO keeps our company connected to all the key players working in this industry and allows great relationships and ongoing learning of best practices from the best in the business. All invaluable assets to help move our business forward."
    Howard Hauben, CEO, H2 Events
  • “The SISO membership represents the entire for-profit tradeshow community and the annual SISO conferences are must-attend events for their educational and networking value.”
    Joel A. Davis, Founder & CEO, JD Events
  • Being a member of SISO has allowed me to navigate the dynamic landscape of our industry in the most effective way possible. Personally, it’s been a journey of continuous learning, networking, and collaboration that fosters deep relationships with industry leaders. Professionally, the insights I’ve gained, the resources I have accessed, and the collaborative initiatives and advocacy work have helped to take my organization to new heights. SISO, to me, is an indispensable asset for my career and business.
    Liz Irving, President, Clarion Events