Expert DOJO improves the success rate of early-stage entrepreneurs with investment, foundation, influence, community, branding, marketing, communication, mindset.

Expert DOJO is the fastest growing start-up community in Southern California based in Santa Monica. Entrepreneurs love Expert DOJO and the power of our startup community.
All entrepreneurs in our programs have agreed to support the whole community as we get stronger together.


Brian Mac Mahon

Founder & Sensei

Brian Mac Mahon, the founder of Expert DOJO, has consulted and coached in over 35 countries bringing a global perspective to starting and growing a small business. He has been teaching the power of connecting in a community and the process of turning a pay it forward mindset into a revenue generator for years. Brian combines this teaching with the experience of working with thousands of small business over the years. Brian heads the Expert DOJO high-performance accelerator and has access to thousands of experts and mentors who will help any entrepreneur find what they need to pursue their small business dream. He has spoken all over the world about the most efficient ways to start, grow and expand any business. He is a vital partner for any small business team.


Jonathan Wallace

Investment Director

Jonathan Wallace joined Expert Dojo upon its inception as an investment analyst. Over the course of the next 3 years he established relationships with some of the largest venture capital funds in the world and helped dozens of startups raise investment.  Jonathan is now the investment director for Expert Dojo and oversees all follow on investments. For information on investment email jon@expertdojo.com


Brian McDermott


An experienced sales leader passionate about connecting people to achieve their goals. I have consulted in areas of technology, real estate, management and hospitality. A lover of networking and making new connections. I have actively worked with hundreds of startups to advise on areas of fundraising, networking, business development and identifying unique business solutions.


Alexander Kissin

Fund Director

Alex is a London native and experienced investment professional with over 10 years in Private Equity and Venture Capital. Since 2016 Alex has been fully immersed in StartUp having joined as an early team member at an Equity Crowdfunding platform before serving as Investment Director for one of the UK’s largest accelerators. Alex loves startups because of the opportunity to learn and the compressed due diligence cycles. Alex is serving as Fund Director amongst other things at ED.


Marija Stefanovic

Public Relations and Digital Marketing Manager

Marija is responsible for all our PR activities, partnerships, and digital marketing.
Marija earned Bachelor’s degree focused in Journalism and Communication Science, Faculty of Political Science from the University of Belgrade.
She loves traveling, cats and gaining new knowledge.


Sophie Angner

Marketing Strategist

Sophie specializes in helping entrepreneurs become more successful with their marketing efforts. With 6 years of professional experience as a marketing manager she has helped several startups getting established. Sophie loves beating Brian Mac Mahon in tennis.


Sofia Decio

Head of CRM

Sofia is a Bachelor’s of Arts candidate at the University of California, Los Angeles, studying Political Science with a concentration in International Affairs. Sofia first fostered her passion for entrepreneurship when she served as the Chief Operating Officer for a student-run non-profit and then as a United States delegate for SAGE (Student Advancement of Global Entrepreneurship) in Manila, PH.


Troy Hamner

Business Intern

Troy is native to Southern California and a recent graduate with Honors from Pepperdine University’s Graziadio Business School in Business Management and Finance, previously studying abroad at Oxford University.