Complex sentence: Ray has since become an outspoken advocate for stem cell technology, recording a PSA for the McEwan Centre for Regenerative Medicine and completed a national media tour in Canada for Multiple Myeloma called "Making Myeloma Matter" in early 2011 to raise public awareness.
Split into simpler sentences: Ray has since become an outspoken advocate for stem cell technology, recording a PSA for the McEwan Centre for Regenerative Medicine. Also, she completed a national media tour in Canada for Multiple Myeloma called "Making Myeloma Matter", in early 2011, to raise public awareness.