Kohn Pedersen Fox
KPF
USA
New York firm that specialises in supertall towers, including the Shanghai World Financial Center. Its Lotte World Tower (555 m) is the tallest building in Korea; its tapering shape was inspired by Korean ceramics and calligraphy brushes.
From Wikipedia
Kohn Pedersen Fox Associates (KPF) is an American architectural firm based in New York City that provides architecture, interior, programming and master planning services. They engineer different projects including civic and cultural spaces, commercial office buildings, transportation facilities, residential and hospitality developments, educational and institutional facilities, and mixed-use commercial developments.
From Wikipedia: Kohn Pedersen Fox, opening section, lightly shortened. CC BY-SA 4.0
Buildings in Seoul
- Lotte World Tower & Mall (2017)