About Us

From trip planning to guided tours, our team is dedicated to support you in the planning process so you can experience a stressfree and memorable trip to Japan.

Kaigai 「かいがい・海外」 is Japanese for 'foreign’; ‘abroad’; ‘overseas’.

Meet Our Team

Ryan Karpovage

Cofounder | Kyoto, Japan

Ryan Karpovage is an educator and experienced tour guide. He holds a MA in English Literature with distinction in Japanese Literature in translation. Ryan has partnered with American River Cultural Exchange and National English Honor Society to organize, develop, and lead multiple tours to Japan and the United Kingdom.

Ariel Koko

Cofounder | Kyoto, Japan

Ariel Koko is a MEXT scholar and graduate student at Kyoto University. Her studies include East Asian Culture, Japanese Language, and Art History. Her knowledge of Japan’s culture and traditions has given her a deep insight into the core experiences of enjoying Japan to its fullest.

Our Services

Trip Planning

Discuss your travel intentions with our team to ensure your visit to Japan is as rewarding as possible. We offer tiered consulting services and itinerary planning to suit your interests.

Guided Tours

Discover Japan through expertly guided tours that immerse you in Japan’s rich history, vibrant culture, and stunning landscapes. We offer single-day and multi-day tours for every kind of traveler.

Group Tours & Cultural Excursions

Kaigai Japan and American River Cultural Exchange are offering exclusive excursion add-ons for travelers on upcoming Spring and Summer 2026 tours! Sign up for a group tour today and stay tuned to learn more about our excursion offerings.

Schedule a Free Consultation