Those two gym leaders from a different region. The one who looks like human version of Suicune is Amelia Skyforth, gym leader of Amber Island and the woman next to her is the gym leader of Emerald Cove Island, Rena Henderson. She's also Richie's mother.
They're part of a side story I'm writing to go along with Pokémon: Rise of Heroes. If you're interested in the main story, I can give you a link to it. But Amelia Skyforth is really a Suicune that has her own human form in the pic you saw.
Pokespecshipper The woman who looks like she could be a Suicune is Amelia Skyforth, gym leader of Amber Island. That's her human form. Yes, she's really a Suicune that can switch between her human form and original form.