Once you sign up to become a member on our platform you can request a custom match directly from your dashboard. You click the plus sign that will take you directly into the project request flow: You can also access the link here
We recommend that you provide as much details as possible to allow our research team to make the best possible match of experts to your project. You need to have credits on your account before our team begins to work on your project. You can visit our pricing page for more details: https://onfrontiers.com/pricing