Contact information

We'd love to hear from you. The fastest way to reach us is by email, and we answer every message.

Customer support

For questions about an order, a pre-order, shipping, returns, or anything else, email hello@bjjpioneers.com. Please include your order number if you have one. We typically reply within 1 to 2 business days, Monday through Friday, excluding U.S. holidays.

Press, review copies, and permissions

For press inquiries, review copies, interview requests, or permission to reproduce images or text from the book, email hello@bjjpioneers.com with "Press" in the subject line.

Wholesale and bulk orders

Retailers, academies, and event organizers interested in ordering multiple copies can email hello@bjjpioneers.com with "Wholesale" in the subject line and we will get back to you with terms.

Mailing address

Groundswell Media
17777 Main Street, Suite G
Irvine, CA 92614
United States

This address is our business mailing address. Please do not send returns here without first emailing us for return instructions and the correct return address.

Business details

Groundswell Media is a trade name of Agathos Enterprises, Inc., a California corporation. Groundswell: The Rise of Brazilian Jiu-Jitsu in America is published under ISBN 978-1-7370256-5-8.