ACECR Management Staff: Mohsen Gharanfoli, Seyed Saeed Hashemi, Mohammad Sadegh Bijandi, and Hossein Kalantari Khalilabad
Chief Executive Managers of the Project: Mohammad Hossein Faezi and Farshad Pilechi
Executive Manager: Mohammad Hossein Shafieeha

 Advisors of the Project: Mohammadreza Anani Sarab, Qodrat Haji Rostamloo, and Mahdi Dahmardeh
Senior Materials Development Editor: Alireza Abdollahi Jobaneh
Authors: Razieh Nouri, Zeynab Afshar Asbaki, and Mahgol Haji Faraji
Assistant Authors: Hossein Alipour, Saber Mohammadi Momen, Firouzeh Sadat Talatori, Jafar Farivar, Ali Reza Karimi, Javad Mafi, and Elham Hamidi

Senior Cultural Editor: Kazem Zamani
Cultural Editors: Mohammad Hossein Shafieeha and Mohammad Hossein Faezi
Assistant Cultural Editors: Mahdi Goldozha, Hossein Naghi, and Hossein Masoumi

Senior Art Editor: Mohammad Razeqi
Cover & Logo Designer: Mohammad Razeghi
Graphic Designers: Mohammad Razeghi, Mojtaba Mirzamohammadi Ha, and Samira Hakimiha
Page Layout Designers: Mahdieh Khosraviani and Mojtaba Mirzamohammadi Ha
Illustrators: Mohammadreza Akbari and Amir Saeed Alvandi
Studio Photographer: Hamideh Shafieeha
  Photo Editor: Mahdi Motamed, Nazanin Majlesi, and Maryam Karimi
Photography Source: Shutterstock
Assistant Art Editors: Mohammad Baradaran, Hesam Sarookhani, Mohsen Karamian, Hossein Karamian, Mojgon Rasouli, Maliheh Rahmani, Marziyeh Simiyari, and Hassan Manzouri

Teacher's Book Author: Mostafa Mirzaii
Advisor: Qodrat Haji Rostamloo
Assistant Author: Mohammad Naghavi
Proofreader and Editor: Tolou  Mollabashi

Senior Technical Support: Alireza Zamani
Technical Support Team: Saeed Sharafi, Ali Mortazaii, and Saber Mohammdi Momen

Audio Producers: Saeed Pourreza, Bianca Platts, Carla Christensen, Andrea Sherrill, Isabella M. Bauer, Susan Modarress, Atefeh Talebian, Fatemeh Talebian, Mehraneh Talebian, Cari Scholtens, Nooshin Daleer, Farnaz Farhoodi, Alex Brodie, Kevin Gomez, Shirin Hakim, Andy Behnam, Loviza Zahnarzt, Mohammad Ali Mojarradi, Kiana Rezaii, Shahana Butt, Amirhessam Basseghi, Farhad Asghari, Borna Danesh, Babak Gharati, Ali Qolian, Hamidreza Derakhshan, Shervin Aria, Hassan Talebian, Harrison Bulman, Antoine Chedeville, Micah Swain, Muhammad Toori, Sodamola Olanrewaju, Navid Naderi, Arash Zahedi, Saman Kujoori, Shirly Ying Han, Elian El-Khamissi,  Arshia Cheraghchi,  and Abel Anthony Piazak

 Special Thanks to: Ali Mohammadpour, Payam Moradi, and Ali Delzandeh