代名詞の見極め方

In this new series of lectures, he adapts his techniques and strategies to make them specifically relevant to freelance workers, such as writers, computer programmers, and musicians.

themは「his techniques and strategies」ですか？
「this new series of lectures」と迷ったのですが、
英文解釈をする上で、代名詞の見極め方のポイントはありますか？