Mayfield Senior School | School Leadership

Mayfield's leadership team serves as stewards of our cherished Holy Child legacy

Mayfield's strong leadership team begins with the collaborative relationship between Head of School Kate Morin and Board of Trustees Chair Kelly Nelson Nakasone ’93. It extends to the school's deeply committed administrators, who bring a diversity of experience and valuable skills to their jobs. We are blessed at Mayfield that our school leadership team puts the care and welfare of our precious students and our calling to embrace Holy Child values at the center of all decisions.

Administration Team

List of 9 members.

Kate Morin

Head of School

(626) 799-9121 ext. 213

University of Maryland, College Park - B.A.
New York University - M.A.
University of Maryland, College Park - M.A.

kate.morin@mayfieldsenior.org
Toi (Webster) Treister 82

Assistant Head of School for Academics, Social Science Teacher

(626) 799-9121 ext. 263

California State University, Los Angeles - B.A.
Southwestern College of Law - J.D.

toi.treister@mayfieldsenior.org
Angela Howell 76

Associate Head of School for Strategic Initiatives

(626) 799-9121 ext. 223

Stanford University - B.A.
Claremont Graduate University - M.A.

angela.howell@mayfieldsenior.org
Lauren Marks-Nino 98

Director of Communications

lauren.marks@mayfieldsenior.org
Connie Peters

Director of Facilities

(626) 799-9121 ext. 216

connie.peters@mayfieldsenior.org
Merilisa Ramirez

Director of Admissions

(626) 799-9121 ext. 287

Cal Poly Pomona - B.A.

merilisa.ramirez@mayfieldsenior.org
Cynthia Riegsecker

Director of Finance

(626) 799-9121 ext. 211

San Diego State University - B.S.

cynthia.riegsecker@mayfieldsenior.org
Steven Bergen

Director of Athletics

(626) 799-9121 ext. 242

University of California, Davis - B.A.
Pepperdine University - M.A.

steven.bergen@mayfieldsenior.org
Abigail Shaw

Dean of Students

(626) 799-9121 ext. 308

University of California, Los Angeles - B.A.

abigail.shaw@mayfieldsenior.org