Meet the Professionals



Donald Becker

Tennis Director – Peter Burwash International (PBI)

dougDonald Becker is a tennis professional with Peter Burwash International, the world’s premier tennis management company. Since leaving his home town of Buffalo, New York, his PBI tennis career has taken him to Reynolds Plantation in Georgia, the Naples Grande Beach Resort, Florida, Four Seasons Great Exuma, Bahamas, Four Seasons Resort Nevis, Bio-Hotel Stanglwirt, Austria, Turtle Bay Resort on the North Shore of Oahu, Rosewood Little Dix Bay, Virgin Gorda, in the British Virgin Islands, and was the long-time Tennis Director at Caneel Bay Resort, St. John, USVI prior to joining the Hanalei Bay Resort Ohana.

Donald has achieved the highest level of certification from both the PTR and the USPTA, where he holds the title of Elite Professional. He is a graduate of the USTA High Performance Coaching Program, and is a former USTA Competition Training Center coach.

His tennis background includes playing college tennis for Allegheny College and coaching the Division 1 Men’s and Women’s teams at Niagara University. He also worked as a tennis professional at the Village Glen Tennis & Fitness Club in Williamsville, New York, for eight years prior to joining PBI.

Off the tennis court, Donald enjoys being outdoors, hiking, running, biking, and snorkeling are among his favorite activities. His personal athletic highlight would be finishing the Suzuki Rock and Roll Marathon in San Diego on two separate occasions as part of the Leukemia Society Team in Training.


Mary Dang-Hannsz

Tennis Specialist – Peter Burwash International (PBI)

maryMary Dang-Hannsz is our Tennis Professional at Hanalei Bay Resort in Kauai, coaching juniors and teaching clinics in addition to directing their hugely successful summer tennis program. Growing up in Orange County, California and Oahu, Hawaii, Mary attended the Fashion Institute of Design and Merchandising and received her Associate of Arts degree in Marketing. She attended the University of Hawaii, majoring in Business, and later transferred to Pepperdine University in California where she graduated in Business Management.

At 18, Mary became the JV coach for the Canyon High School girls’ tennis team and continued to compete throughout her college years while pursuing the film industry, doing production and stunt work. She moved to Austin, Texas for a short time to study children’s literature and there started the Mary Hannsz Tennis School for Kids.

Ever the athlete, Mary enjoys running, swimming, working out, karate, long boarding and paddle boarding.