The middle blocker has joined the Iranian side from the Russian club ASK Nizhny Novgorod.
Concepción, 27, has joined Shahdab to strengthen the team for the 2024 FIVB Volleyball Men's Club World Championship.
Shahdab is in Pool B along with Itas Trentino of Italy, Brazil’s Sada Cruzeiro and Argentina’s Ciudad Voley are in Pool B.
Iran’s Foolad Sirjan is also pitted in Pool A along with Brazil’s Praia Clube, Italy’s Cucine Lube and Egyptian Al Ahly.
The 2024 FIVB Volleyball Men's Club World Championship will be held at the Sabiazinho Arena in Uberlandia, Brazil from December 10 to 15.