Rich Benvin – Business Entrepreneur and Tennis Professional

Rich Benvin is CEO of Mass Density, Inc. and 3D Printing Channel, LLC. President of several web marketing, web development and online consulting companies, Rich has extensive experience in marketing, web development and design, SEO, Domaining, eCommerce, Branding, Social Media Management and much more.

Rich is a former ATP tennis professional player and WTA professional tennis coach. He has over 25 years experience as a head pro and teaching pro at various tennis clubs throughout the US and Europe. Extensive experience as a professional coach for ranked tennis professionals, teams and junior players. Thorough knowledge of the tennis industry from the player, coach, manager, and business perspectives.

Additional Tennis Info: Rich is not only a USPTR Certified Tennis Professional but also a former ATP Player and WTA Coach. Rich coached Brenda Shultz-McCarthy, ranked #9 in the world in 1996. She reached the quarterfinals at Wimbledon as well as the quarterfinals in singles and the finals in doubles with Gabriela Sabatini at the U.S. Open in 1995. Rich coached Kellen Damico, the #5 world-ranked junior in 2007, Wimbledon junior doubles winner and doubles finalist at the Junior Australian Open in 2006. He also coached Julia O’Loughlin, who at the age of 12, was ranked No. 1 in the U.S. Rich helped her obtain a full scholarship with the USTA High Performance Academy in Boca Raton, FL.

For several years, Rich competed for a professional tennis team in the top leagues for the Blankenese Sports Club in Hamburg, Germany. He coached the Men’s and Women’s teams including Davis Cup players from Denmark. Rich was ranked #650 in the world in doubles in 1991. He was also ranked top 30 in Italy in singles and traveled as a coach and sparring partner for Claudio Pistolesi who was ranked top 100 in the world. As a college player in Division I, Rich played #2 singles and #1 doubles in 1990 for Trinity University in San Antonio, Texas. He graduated Trinity University with a B.S. in Business Administration with a Major in Marketing and Finance and a Minor in Psychology. Also, he is fluent in German and Italian.

Featured Online Business Ventures and Projects

Rich Benvin is a veteran and a visionary in the world of online visibility and influence. He is the founder of several online businesses, a renowned international consultant and a professional tennis coach. He is highly skilled in the arts and sciences of SEO, social media and much more.

Rich was responsible for all online marketing campaigns for, the leading wireless portal and third most successful ecommerce web site in Germany.

Rich is CEO of Mass Density, Inc., which provides services in Web Development & Design, Web Hosting, Analytics, Consulting, eCommerce, SEO, Online Marketing, Social Media Management, Domaining, Affiliate Marketing and much more.

Rich is also CEO of the 3D Printing Channel, LLC, which is a Management & Marketing company of over 30 web properties in the 3D Printing industry offering videos, podcasts, advertising, social media, consulting, courses, domain names and much more.


3D Printing


3D Printing Channel – The 3D Printing Channel consists of a team of executives who see the need for the 3D Printing Industry to have its own voice. “We are a conglomeration of marketing, web, public relations, general management, and finance executives, all with marketing, media and management experience”. 

Association of 3D Printing – The Association of 3D Printing works with manufacturers, 3D Printing companies, “makers,” designers, governments, Universities and service providers who wish to get involved and be known in our industry. We represent the 3D Printing Industry in your local community as well as nationally and abroad. 



BizBright – Reaching the top of search engines takes hard work. BizBright helps you with a critical aspect of reaching the top: backlinks. With a solid SEO plan, your summit to the top can now become a reality. 




MD Sports – Do you want to maximize your athletic performance? Do you want to perform better? Do you want to build strength? Do you want to improve your power, speed, and agility? We can help you get achieve your goals, whether you are a professional athlete or new to sports.

Voyage Recovery – We provide developmentally-specific drug and alcohol treatment for young adult men and their family. Created by clinicians, the Voyage program helps young men reconnect and find their purpose and passion in recovery. Located in Hobe Sound, Florida. 

Dr. Hillel Harris – Dr. Harris promotes wellness, and is an innovator in the emerging field of preventative health and lifestyle medicine. He is a board-certified physician and has been a practicing medical doctor since 2004.

Dr. Joseph C. GretzulaDr. Gretzula is a board certified dermatologist serving South Florida for over 30 years. He received his Certification in Dermatology at the University of Miami Dermatology and Cutaneous Surgery Department.

Olive Leaf Health –  Olive Leaf Health and Wellness Information is your source for the latest info and research on olive leaf health. Discover the health benefits of our olive leaf extract drink. Many scientific studies show that olive leaf health benefits include boosting immune system, fighting cholesterol, treating diabetes, lowering high blood pressure, fighting arthritis, and preventing cancer. Olive leaf also contains many phenols, antioxidants that neutralize the action of free radicals. The oleuropein, and other compound found in olive leaf, have a unique feature that makes the leaves particularly effective in fighting against bacteria and viruses..



Marinoff & Associates, P.C., Attorneys at Law – Our firm is unique in that we specialize in both criminal and immigration cases. There are many times the two areas of law go hand in hand, and additional preparation and negotiation is necessary beyond that of a client that is a United States Citizen. 



StillPoint Performance – A stillpoint is the place where your mind and body are in perfect alignment. It is where your mental clarity and focus along with your athletic ability coincide so that you may achieve your optimal level of success.


Delray Tennis – The Delray Beach Tennis Center is a full-service public tennis facility with 14 clay courts, 6 hard courts, and an 8,200 seat stadium located in the heart of Delray Beach, FL, just to the west of the world famous downtown area on Atlantic Avenue.

Sylvano Tennis Academy –  Discipline, dedication, and mental toughness are the core beliefs of the Sylvano Tennis Academy in Santa Clara, California. Success comes from hard work and dedication to hours of tennis training. Our professional coaches have the experience to produce champions at the junior, collegiate and pro levels. We give all our players attention and coaching with great coach-to-student ratio. Train to win!










Crossbow has a network of professionals around the world who are specialists in marketing, public relations, public affairs and issue management. We will build your team to meet your needs. Our custom approach is extremely cost-effective.

public relations firm Phoenix and Denver

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Crossbow Communications specializes in issue management and public affairs.