When the panel discussion, he always actively discussing with your team, if team members do not understand or questions, and he will help them solve problems.
During the panel discussion, he actively discusses with the group members each time, and if the group members have no understanding or questions, he will help them and solve the problem.
During the group discussion, he actively discusses with the group members every time. If the group members don't understand or have questions, he will help them and solve the problems.