Which experts has Katy Huie Harrison collaborated with for the Expecting & Organized Virtual Summit?

I'm sorry, but I don't have the specific information about the experts Katy Huie Harrison collaborated with for the Expecting & Organized Virtual Summit. However, Katy often collaborates with a variety of professionals in the field of motherhood and baby planning, including doctors, nurses, lactation consultants, and other experienced moms. If you're interested in the summit, I'd recommend checking out the event's official website or Katy's social media channels for the most accurate and up-to-date information.