Need more information, contact Miami Hills Swim & Tennis Club at (513) 248-4298

Lesson Instructors. Swim, Dive & Tennis

Mary D’Errico- Ahoy, my name is Mary D’Errico and I will directing the Swim Lessons program this summer. I have been an American Red Cross Water Safety Instructor since 1976. I have taught swim lessons and directed various swim lesson programs in Pennsylvania and here in the Milford. I have assisted, co-directed, and coordinated this program as requested by Andy Wilson, Pool Manager for the past 20 years. I am looking forward to yet another fun and successful summer for all of our young swimmers.  If you ever have any questions about lessons, instruction, water safety or stroke development, please do not hesitate to ask.

Katherine Perez- Hi my name is Katherine Perez! I used to do gymnastics for ten years, and then I went into many sports including diving. I dove for Milford High School my freshman year, and I have been involved in learning more about dive ever since. This is my second year working at Miami Hills where I am a guard and also a swim lessons instructor. I am excited for this season to be your coach and to meet everyone! Let’s have a great and fun season!

Stephanie Renner- Hi! My name is Stephanie Renner. I graduated from Mariemont High School in 2018 and I just finished my first year at Ohio State studying philosophy, political science, and economics. I’m in the Sports and Wellness Scholars program, and I’m involved in multiple intramurals and love to be active. I did both swim and dive team at Miami Hills for 5 years. I’m so excited for my fourth summer working here at Miami Hills as a lifeguard and the assistant coach for the dive team! Swimming and diving for the Dolphins are my favorite memories of summer when I was growing up, and I can’t wait to help coach all the young Dolphins and make progress this year!

Michael Neverman – I have been playing tennis for over 15 years now, and it has become a passion of mine. I have been instructing tennis for over 7 years at Miami Hills; it has been a fantastic experience. During the winter months, I teach tennis indoors at Eastern Hills Indoor Tennis Club. The past 4 years I have coached the junior high team at Milford and also helped out with high school program. I have a great understanding and knowledge of the game and I look forward to sharing that with all of you this summer! If you ever have any questions please feel free to give me a call or shoot me an email at any time. Cell: (513) 687-3648 E-mail:

Mark Ostrander – I’ve been playing varsity at Milford High School since I was a freshman, but I started playing around 5 years ago. I’ve played at Beechmont Racquet Club during the winter, Miami Hills during the summer, and I actively play in competitive USTA tournaments. Last fall I helped assist Michael with the Milford girls varsity team. I also have about 2 years of experience in stringing racquets.