Helping Real Estate Leaders Develop a Successful, Profitable and Sustainable Business

About Mark

Master Sales Trainer | Private Advisor | Speaker

​For over two decades, Mark has dedicated his career to the sales industry. Mark has thrived at a high level in the hospitality, telecom, real estate and staffing fields. Since 2015, Mark has been inspiring, training and coaching salespeople, business owners and company leaders to higher levels of impact, influence & income. He is the Founder and CEO of Gundlach Sales Strategy, a sales training and private advising firm dedicated to helping sales people develop the mindset, tactics and skills necessary to build a thriving business. Mark is a dynamic speaker, trainer and sales strategist.


If you're looking for a coach that will provide immediate results...

Mark currently coaches our team and has made a tremendous impact on performance. He has an impeccable ability to uncover what is holding you back from performing at your maximum level and guides you on how to drive success beyond expectations. His coaching style directs you to the most optimal path for your business and career, instilling a significant amount of confidence, conviction, and competence in a very customized format. If you're looking for a coach that will provide immediate results, Mark is your guy!

Join My Network of 2500+

Real Estate Leaders

The Dominant Real Estate Agent Playbook

Start running plays that dominate in your real estate business and become the local expert your clients need.

Your Daily

Accountability Partner

Get daily accountability directly from Mark to assure that your behaviors are aligned with your outcomes.

Tactical Sales


An 8-week intensive program designed to drastically alter the trajectory of your business to new heights.


Gretchen Tanner

Real Estate Agent, Dallas Tx.

"Mark has been a godsend to my business. He has helped me with everything from my mindset, to scaling my team to being the leader I need to be."

Michael Kolwicki

Financial Planner, Newport Beach CA

"I can't thank Mark enough for all of his guidance over the past 6 years. He has gotten me out of my own way in order to have the business I always wanted."

Andy Adams

Insurance Agent, St. Paul MN

"Being new to the insurance business, I was not sure where to turn or what to do next. Mark put me on a simple path that worked for me. So thankful that I was referred to Mark."


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