Association for Behavior Analysis International

The Association for Behavior Analysis International® (ABAI) is a nonprofit membership organization with the mission to contribute to the well-being of society by developing, enhancing, and supporting the growth and vitality of the science of behavior analysis through research, education, and practice.

12th International Conference

November 11-13, 2025

Altis Grand Hotel; Lisbon, Portugal

Welcome to the vibrant and captivating city of Lisbon, Portugal, where the 12th International Conference will be held at the elegant Altis Grand Hotel from November 11-13, 2025. Lisbon is a city that exudes charm and sophistication, with a rich history and culture that is sure to captivate your imagination. From the stunning Belem Tower to the majestic Palácio de Pena, Lisbon is a city that is steeped in history and beauty.


The Altis Grand Hotel is a five-star hotel that is the epitome of luxury and comfort. Attendees can indulge in the hotel’s opulent spa, which features a sauna, steam room, and indoor pool. The hotel also boasts several restaurants and bars, including the Michelin-starred Grill D. Fernando, where attendees can savor the flavors of traditional Portuguese cuisine. With its stunning views of the city and its prime location in the heart of Lisbon, the Altis Grand Hotel is the perfect place to unwind after a long day of sightseeing and networking.


Lisbon is a city that is known for its culinary delights, with many restaurants serving traditional Portuguese cuisine that will tantalize your taste buds. From the succulent bacalhau (salt cod) to the hearty cozido (a stew made with meat and vegetables), and the sweet pastel de nata (a custard tart), Lisbon's cuisine is a feast for the senses. The city is also a shopper's paradise, with many boutiques and markets selling everything from handmade crafts to designer clothing. Attendees can indulge in retail therapy and take home unique souvenirs that will remind them of their time in Lisbon.


Plenty of transportation is available in Lisbon, thanks to the city's well-connected public transportation system that includes buses, trams, and a metro. Attendees can explore the city's many attractions, including the Tagus Estuary, the Jeronimos Monastery, and the Sao Jorge Castle. Lisbon is also known for its vibrant nightlife, with many bars and clubs to choose from. Attendees can dance the night away and experience the city's electric energy.


Join us in Lisbon for the 12th International Conference at the Altis Grand Hotel, where you can experience the best that this captivating city has to offer. From the opulent spa at the Altis Grand Hotel to the city's mouth-watering cuisine and exciting nightlife, Lisbon is a city that will leave you spellbound.


Questions about the international conference may be directed to the ABAI office: (269) 492-9310 or

12th International Conference 2025. Altis Grand Hotel; Lisbon, Portugal



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