Advisory Council

2021-2022 Blessed Trinity Catholic High School Advisory Council


Mike Sebesta - Chairman Mike has been a Roswell, GA resident for more than 10 years. He and his wife, Charlotte, are members of St. Peter Chanel Catholic Church. Their son, Matthew, is a Blessed Trinity graduate from the Class of 2015 and currently attends Wake Forest University. Mike attended Bishop Kenny Catholic High School in Jacksonville, FL and is a graduate from Wake Forest University with a degree in Economics. He is a Managing Director for an investment management company with offices in Buckhead and Park Ridge, NJ. He has been a member of the Blessed Trinity Catholic High School Advisory Council since 2013 and currently serves as the president.






Nick DiLuzio is a proud 2004 alumnus of Blessed Trinity and currently heads up the Georgia Forestry Foundation. After graduating from BT, Nick went to Davidson College where he was a member of the football and track teams and graduated in 2008 with a B.S. in Biology. Nick went on to graduate school at the Nicholas School of the Environment at Duke University where he earned Master of Environmental Management and Master of Forestry degrees.  Nick moved back to the Atlanta area and worked in environmental consulting for 11 years before joining the Georgia Forestry Foundation in July 2021. Nick and his wife, Lexie, are members of St. Ann's Catholic Church in Marietta and live in Smyrna with their two young children.





Fr. Dan Fleming is a priest of the Archdiocese of Atlanta, ordained in 1996. For the last seven years he has been serving as the Pastor at Saint Andrew Catholic Church in Roswell. New to the BT Advisory Council (and a big fan of Cathy Lancaster) Fr. Dan feels blessed to have a number of students from the St. Andrew faith community currently attending Blessed Trinity.







Greg Heller is in his 19th season as legal counsel to the Atlanta Braves. As Executive Vice President and Chief Legal Officer, Heller manages and oversees all legal affairs for the Braves and its wholly-owned minor league affiliates which include the Gwinnett Stripers, the Mississippi Braves, the Rome Braves, the Danville Braves, the GCL Braves and the DSL Braves.  Mr. Heller also has ultimate oversight for all legal issues related SunTrust Park, The Battery Atlanta and for the Braves’ new spring training facility, CoolToday Park, and had ultimate oversight for all legal matters related to the negotiation, planning and development of all three projects for the Braves organization. 

Prior to serving as Executive Vice President and Chief Legal Officer of the Braves, Heller spent nearly seven (7) years with the TBS sports legal group which included the Braves, the Atlanta Hawks, the Atlanta Thrashers, Philips Arena, the Goodwill Games, the Turner Sports television group (and its NBA, NASCAR, PGA, British Open and MLB properties), and the Turner Sports new media group (and its NASCAR, PGA and PGA TOUR and ACC Select properties).  Mr. Heller was in private practice with national law firms in Atlanta and Chicago prior to his time with the Braves and Turner Sports.

Mr. Heller is a cum laude graduate of Indiana University with a degree in sports marketing/management and holds a J.D. degree from Marquette University Law School.  Mr. Heller and his wife Krista have four (4) children, Maddie (BT Class of 2017), Charlie (BT Class of 2019), John (BT Class of 2021) and Elizabeth and live in Roswell.


John R. Luckett is an Executive Managing Director and the Chief Financial Officer at Domain Capital Advisors LLC, an SEC-registered, institutional investment advisor that provides tailored investment solutions for real estate and alternative asset classes. In this role, he oversees financial reporting, accounting, and auditing matters for the company.

Mr. Luckett received a Bachelor of Science in Business Administration with an emphasis in Accounting from Tennessee Technological University. He is a Certified Public Accountant licensed in the State of Tennessee, and is a member of the American Institute of Certified Public Accountants and the Tennessee Society of Certified Public Accountants. In 1984, Mr. Luckett received an honorable discharge from the United States Marine Corps.

Mr. Luckett and his wife, Becky, are members of St. Joseph Catholic Church in Marietta and have five children, four of which are graduates of Blessed Trinity and one that is a current student.





Robert J. O'Donnell, DDS  received an undergraduate degree in Microbiology from the University of Georgia and completed his Doctor of Dental Surgery from Emory University.  He served five years as Clinical Instructor at Emory’s Department of General Practice Residency for Post Graduate Dentistry while practicing in Roswell since 1989.  In 1998, Dr. O’Donnell purchased the historic Alpharetta residence located at 134 N. Main Street, and completely renovated it into a state-of-the-art dental practice.  In 2000, he was awarded the City of Alpharetta’s Business Star Award, in recognition of his commitment to preserving the historic integrity of the building.

A strong believer in community service, Dr. O’Donnell stays active in a number of professional and volunteer organizations.  Most recently, he served as 2020-2021 General Chair for the esteemed Hinman Dental Meeting, known worldwide for providing first class continuing education and dental school scholarships.  He also holds leadership roles in various professional organizations, study clubs, and church and neighborhood groups.  In addition, Dr. O’Donnell and his wife, Cheryl, are members of the University of Georgia Parents Leadership Council. Dr. and Mrs. O’Donnell have two daughters currently attending the University of Georgia – Kathleen (BT ’19) and Ryan (BT ’20).  They are members of St. Peter Chanel Catholic Church in Roswell.



Dr. Rachel Winter serves as a Scientific Review Officer for General Dynamics IT. In this position, she reviews, organizes, and directs governmental review panels for grant proposals submitted to the Congressionally Directed Medical Research Program, which includes Department of Defense Material Command (CDMRP), the Institute for Educational Sciences (Department of Education), and the Cancer Prevention and Research Institute of Texas (CPRIT).

Rachel attended Mt. Carmel Academy in New Orleans, Louisiana and graduated from the University of Florida with a degree in Zoology. She then received her PhD in Biochemistry from the University of Maryland.  Dr. Winter and her husband Eric are members of St. Peter Chanel Catholic Church in Roswell and have 4 children, Bradley (BT 2022), John (BT 2024), Sarah (BT 2025) and Jacob (Queen of Angels 5th grade).