Courtney Keyser (Owner)

Courtney grew up at Kings Grant working for her Dad and Grandparents and playing tennis with her friends and sister Kara. She played #1 singles for Barnstable High School and was ranked #18 in New England before going on to play at Division 1 Providence College. She has completed PTR certification training and continues to share her passion and joy for the game. You'll find her on the court or in the clubhouse continuing the family legacy along with her husband and 4 kids. 

Alan Brown  (Director of Member Services)

Alan will be returning this summer to Kings Grant as our Director of Member Services.  He plays tennis every day at his home in Ft. Lauderdale, FL and is looking forward to a great season at Kings Grant.


Sonny Bisazza

Sonny loves playing tennis and teaching tennis to people of all ages. He is very excited to be a part of the Kings Grant 2022 Summer Season. Sonny's experience includes:

MIAA South Sectional Finalist (2014)
Boston Globe All Scholastic Award Winner (2014)
MIAA Division 1 State Tennis Champion, Competed at #1 singles (2015)
Ranked in the top 20 in New England &
top 5 in Massachusetts.
Competed at #1 singles all 4 years at Franklin Pierce University
ITA regional quarter Finalist in 2015 & 2017 (Flushing Meadows)
Franklin Pierce Men’s Tennis MVP
(2015,2016, 2017)
Reached as high as 6 in the ITA Northeast region for NCAA D2 athletics.


Lauren Donnelly


Lauren is happy to be returning to Kings Grant this summer. She grew up playing tennis on Cape Cod. As a captain, at Barnstable High School, she was named Barnstable's Female Spring Athlete of the year in 2006. She was a two-time MIAA Doubles South Sectional Finalist,  Boston Globe All-Scholastic, Cape and the Island First Team All-Scholastic, and Boston Herald All-Scholastic Athlete. Lauren was recruited by Bridgewater State College and played first singles and first doubles. She was named MVP of the Little East Conference in 2010 and led her team as captain to the NCAA Tennis Tournament. After graduating Lauren was offered the assistant men's and women's tennis coach at Washington College, Maryland, while taking courses for her masters degree in History. Lauren coached for two years leading her team to the All - Centennial Conference in 2012.

Lauren is currently working as a real estate concierge in Osterville and loves spending her summers teaching tennis to all ages.


Jillian Burdge


I have been playing tennis since I was 4 or 5 years old and it is one of my favorite sports. I have been helping some of my coaches teach younger kids since I was around 12 years old. I joined the Mashpee High School Varsity team in 8th grade and played 2nd singles. I have also been playing in multiple USTA and UTR tournaments since around 8th grade as well. This year I am also going to be a part of the Sturgis West tennis team. I am excited to be able to help coach at Kings Grant this summer.


Tim Pesek 


Tim is a rising senior at Connecticut College where he plays for the men's tennis team. He grew up in Weston, Ma where he won 2 team state championships in high school. Tim is an Environmental Studies major and enjoys listening to music, spending time on the water, and playing hockey in his free time.

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Johanna Hickman


Johnna Hickman is one of the assistant tennis professionals at Kings Grant.  She has played in numerous tennis leagues and tournaments in Southeastern MA.  Also this spring 2021 she is currently on 2 USTA leagues on Hilton Head Island in SC.  November of 2018 Johnna had the amazing experience of playing in the USTA Nationals tournament in Mobile, Alabama on a USTA 9.0 mixed doubles team that finished 5th in the country.  She is USPTA certified and this is her 6th season teaching at Kings Grant.   

“I love this tennis club.  The members here are competitive and friendly people of all ages.  The employees are fun and enjoyable to work with”.

Young Tennis Player

Katja Szturma


Hi my name is Katja Szturma, I'm 16 years old and I go to Arlington High School. I started playing tennis when I was 7 and have loved the game ever since. I am currently ranked in the top 100 for girls in New England and play for the Tim Mayotte Tennis Academy in Concord, MA. I love participating in USTA and UTR tournaments and playing at Kings Grant over the summer. On top of that I am looking forward to playing for my high school tennis team this year. Teaching at the club is the highlight of my summer and I am so excited to be returning this year as part of the Kings Grant team.