image of Cheryl Ryan Chan on a computer screen with a slide next to her as she teaches.
image of Cheryl Ryan Chan on a computer screen with a slide next to her as she teaches.
190579530_10223468165244238_1222030624174033573_n
image of Cheryl Ryan Chan on a computer screen with a slide next to her as she teaches.
image of Cheryl Ryan Chan on a computer screen with a slide next to her as she teaches.