Complex sentence: Reynolds is an active supporter of the Cops for Cancer fundraiser of the Canadian Cancer Society, known to hold various fundraisers such as car washes, head shaves, and bake sales to raise donations for the cause.
Split into simpler sentences: Reynolds is an active supporter of the Cops for Cancer fundraiser for the Canadian Cancer Society. The school is known to hold various fundraisers such as car washes, head shaves, and bake sales to raise donations for the cause.