I'm surrounded by excellent people where I work so it has a very positive impact on me.
I'm fortunate to have such outstanding bosses and co-workers at work.
この場合、次のような言い方ができますよ。
ーI'm surrounded by excellent people where I work so it has a very positive impact on me.
「私は職場で優秀な人たちに囲まれていてとても良い刺激を受けている」
to have a very positive impact で「良い刺激を受ける」ことを言えます。
ーI'm fortunate to have such outstanding bosses and co-workers at work.
「私は職場であのような優秀な上司や同僚を持てて幸運です」
fortunate で「幸運な・幸せな」
ご参考まで！
カナダ 
