There are multiple options for you:
You can refer to TurboInnovate.com to find other experts and entrepreneurs in your field to collaborate with. You can discover and connect with a technology expert directly through the platform.
You can reach out to university professors and ask if they would be interested in joining you on your grant application. Depending on who you connect with, agreements compensation or lack thereof will vary.
You can search for subcontractors on your own. There is a wide array of subcontractors that would be willing to step in as a technology expert. However, they each have their own independent fees.
You can reach out to our PhD team and we can find a technology expert for you. We have worked with many startups in the past and we are connected to many incubators. We can personally refer you to a technology expert.