Our School

MP&MS creates a dynamic, nurturing, and challenging environment where children thrive and grow as creative thinkers and inspired learners.

Board Bios


Samantha Cross, Chair, Parent and Alumni Parent

Samantha (Sam) and her husband Shawn have two children at MP&MS and a 2015 alumni. Sam has served six years on the board as Parents Associate President, Vice Chair, and Chair. After college Sam worked for Gap Inc. in field operations in numerous retailing centers including Los Angeles, New York City, and London. After 15 years with Gap Inc., she retired to become a full-time mom.

Jeff Rabkin, Vice Chair, Parent and Alumni Parent

Jeff and his wife Adriana are parents of one child at MP&MS and one graduate. Jeff is in private practice as a Partner at the law firm of Jones Day, where he focuses on cyber security and privacy issues.

Tanya Peterson, Treasurer, Parent

Tanya Peterson and her husband Rich are parents of a current MP&MS student. Tanya is President and Executive Director of the San Francisco Zoological Society, the non-profit that manages and supports the San Francisco Zoo, after serving on its Board of Directors. Prior to her current position, Tanya managed litigation at Hewlett-Packard Company and also practiced law at the firm of Gibson, Dunn & Crutcher.

Julie Chaiken, Secretary, Parent

Julie has two children enrolled in the middle school at MP&MS. She is the founder of Chaiken Clothing a women’s clothing company with a devoted following worldwide.  Julie graduated from UCLA with a degree in history and earned an MBA in corporate finance from the Stern School of Business at NYU.  She serves on the board of directors for the Center for Reproductive Rights, the Chaiken Foundation, and is a founding member for The Weekend to Be Named Later.  Julie sits on the SF Jewish Women’s Fund, and is an active member of REBOOT.  She was named a Women to Watch by Jewish Women International in 2014.

Nancy Connery, Parent

Nancy and her husband Chris have 5th and 7th grade children at MP&MS. As the Development Chair, Nancy has been involved in all fundraising efforts on behalf of the school, including our current middle school expansion project. Nancy is the Founder and Principal at Connery Consulting, a boutique HR consulting firm that focuses on scaling technology companies, including Airbnb, Dropbox, Twitter, and Zendesk. In her free time she likes to hike, travel, and spend quality time with her family.

Lorin Costolo, Alumni Parent

Lorin and her husband Dick are parents of a recent MP&MS graduate and a class of 2012 alumni. Lorin holds a Bachelor of Arts in economics and English literature from the University of Michigan, and worked during the late 80’s and 90’s for Morgan Stanley Fixed Income Sales and Trading. She reinvented herself in the late 90’s, becoming a parent, school volunteer, studio potter, and ceramics instructor at Lill Street Art Gallery until 2009.

Julie Elam, Head of School (Ex-Officio)

Maria Forney, Parent

Maria and her husband, Mark, have two daughters at MP&MS. Maria has over 25 years experience in enterprise software and is currently leading North America business development for midsize organizations at Oracle.

Joseph Keene, Alumni Parent

Joe and his wife Susan Andrus are the parents of two MP&MS graduates. Joe is an entrepreneur and investor in mobile and interactive media, a founder of ngmoco Inc. and is currently CEO of Pelayo Inc.

Hilary King, Parents Association President (Ex-Officio)

Hilary has one child at MP&MS and is currently President of the Parents Association after serving as VP and as Secretary of the PA. She has co-chaired the annual auction or served on its committee since her first year at the school and participated in many other volunteer capacities. In the broader community, Hilary has held many positions on the Board of Directors of the Junior League of San Francisco and was a member of the SF Child Abuse Prevention Center auxiliary. Hilary’s work experience is largely in hedge funds. She grew up in Stamford, Connecticut and now resides in Mill Valley after many years in San Francisco.

Jason Kissane, Parent

Jason and his wife Jessica have three children at MP&MS. Their three girls are currently in first grade, kindergarten, and preschool. Jason is a Managing Director at a financial services firm which specializes in insuring municipal bonds. Jason has over 20 years experience in the public finance sector and also serves on the board of the National Federation of Municipal Analysts.  

Sloan Klein, Parent and Alumni Parent

Sloan Klein founded Sloan Klein Advisors, a career and executive coaching firm focused on helping senior level asset management professionals who are in career transition. Prior to that she was an executive recruiter. She holds an MBA from Columbia University and a Bachelor of Arts degree from Georgetown. Sloan is married to Rob Klein and has a daughter attending MP&MS as well as a recent graduate.  

Kim Kraemer, Parent, Alumni Parent

Kim and her husband, Marc Watrous, have two children at MP&MS and a recent graduate. Kim is founder of Kraemer & Company, a consultancy specializing in brand positioning and communications strategy for the life sciences industry. 

Liz Ranieri Kuth, Alumni Parent

Liz and her husband Byron are the principals in the architecture firm Kuth Ranieri Architects. She is a LEED accredited architect and has assisted MP&MS in getting its Green Business Certification through her work with the Master Plan Committee. They have 2011 and 2013 graduates.

Rachel Lehman, Parent

Rachel has two children at MP&MS. Rachel is the founder of P4G Capital Partners a mid-market private equity firm. She’s spent the lion’s share of her career in finance and business strategy for both startups and her work as a founding member of Sorenson Capital Partners. Rachel holds a Bachelor of Science degree in electrical engineering from the University of Texas, Austin.

Bill Martin, Parent

Bill and his wife Krista have two children at MP&MS.  Bill is a Vice President of Clay County Port/Reynolds Industrial Park, a real estate investor, and musician.  As a member of The Wronglers, he has toured nationally with Texas singer Jimmie Dale Gilmore and is currently working on an album of original material.

Mike Mojabi, Parent

Mike and his wife, Petra, have two children at MP&MS. Mike is the Bay Area managing tax partner for Ryan, LLC, a global tax consulting firm. Mike holds a BS in accounting and MS in taxation. Mike is also a Certified Fraud Examiner and Six Sigma Black Belt certified. Mike has prior board experience as the assistant treasurer for Pathways for Kids, a San Francisco non-profit organization.

Amy Noblin, Parent

Amy and her husband, Jeremy, have two children at MP&MS. Amy served three years on the Parent Association Board and has been actively involved in the Capital Capital committee and Auction. She is an equity analyst with William Blair, specializing in the retail sector, with over 17 years of experience in finance and another six years as a buyer for Neiman Marcus and Saks.

Jeff Powell, Parent, Alumni Parent

Jeff and his wife, Kristen, have two children at MP&MS and a recent graduate. Jeff is the co-founder and managing partner of Polaris Greystone Financial Group, LLC, a wealth management company located in San Rafael. Jeff holds a BS in finance and economics from the University of Oregon. Jeff is an avid sports enthusiast, coaching many of his children’s sports teams.

Michael Schon, Parent

Michael Schon and his wife Tara currently have twin boys attending MP&MS. Michael is founder and CEO of an internet company headquartered in the Bay Area, and is a member of the Technology Committee and Finance Committee.

Karen Whitaker

Karen Whitaker, Assistant Head of School for Academic Affairs at Branson, has worked in both public and independent high schools in the Bay Area. She is a graduate of Stanford University and earned her master’s degree in private school leadership from Teachers College at Columbia University. Her son, Max, graduated from Branson in 2012, and her niece and nephews attended MP&MS.

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