This link can be used to set up your monthly support at One Collective. give.onecollective.org. If you use the link you will asked for the project name or account number, those are Mark Edens or Account #US2677.
You can also contact One Collective Donor Relations: 800-323-0428 (toll free) or 847-429-0900 
If you choose to send your monthly support in yourself the address is, 

One Collective

2155 Point Boulevard

Suite 200

Elgin, IL 60123

If you give by check, please make your checks payable to One Collective and include a note stating your donation is for Mark Edens or Account #US2677.