ACC Liverpool has secured several international conferences over the next two years.
The conferences, which are expected to generate £15 million for the economy, include the International Orthoptic Association in June 2020, welcoming 1,000 delegates over four days.
The Annual Meeting of the European Society for Paediatric Endocrinology (ESPE) will take place in the same year, attracting 3,500 delegates over three days.
"Our annual conference gives our delegates the opportunity to exchange high quality clinical and scientific information with international experts at plenary sessions, symposia, and meet-the-expert sessions," said Professor Mehul Dattani, ambassador for the European Society for Paediatric Endocrinology.
"The conference also enables local delegates to present their latest ground-breaking research to their peers, and provides great opportunities for informal networking."
Adrian Evans, assistant director of conference and exhibition sales at ACC Liverpool, said: "We work with many organisations across the globe to secure international associations so we are pleased that these major congresses, along with a number of others, will come to our venue in the next two years.
ACC Liverpool recently hosted 1,500 attendees at the European Week of Astronomy and Space Science, while forthcoming international congresses include Uni Global Union World Congress in June and Health Systems Research in October.
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