Mary Pat Alcus, President

Mrs. Alcus is an institutional investment advisor and a Chartered Financial Analyst. Over her 25-year investment career she has advised numerous foundations and endowments and corporate and public pensions in the areas of investment strategy, investment policy development, manager selection, and performance monitoring. She worked for Mercer Investment Consulting in Atlanta, New York, and Washington, DC, where she was a Principal and Senior Consultant. She is a graduate of Vanderbilt University and received her MBA from the Fuqua School of Business at Duke University. Mary Pat has served on the Board of The Community Foundation for Montgomery County, serving as Board Chair in 2013. She has served as Chair of the Grants Committee for the Sharing Montgomery Fund and serves as a Board Member and the Chair of the Investment Committee for The Greater Washington Community Foundation. In 2018, she joined the Board of Directors of the Montgomery College Foundation where she serves on the Treasurer’s Committee. Her children Claire and Colin attended Norwood School, which is how their family began supporting Horizons Greater Washington.

Andrew Fairbanks, Vice-President

Andrew Fairbanks is an IBM Vice President who leads the IBM Public Sector Services business. In this capacity, he leads the organization that delivers all services to IBM's Federal, State, Local, Education, and Health Care clients. Prior to his career at IBM, Andrew was an Associate Dean of Admission at Wesleyan University. He co-authored The Early Admissions Game, published by the Harvard University Press in 2002, which provided detailed insight into the highly selective college admissions process. He also served as a member of the Board of Trustees for the highly successful Boston Collegiate Charter School, founded in 1997 to provide new secondary school opportunities to children in the city of Boston. Throughout his career, Andrew's efforts have focused on expanding access to education to people who come from socio-economically disadvantaged backgrounds. Andrew holds a Bachelor of Arts degree from Wesleyan University and a Master in Public Policy from the Harvard Kennedy School of Government. 

Sally Sloan, Secretary/Treasurer

Sally Sloan moved to Washington, DC to work for National Public Radio where from 1992 to 1999, she was the General Manager of New Business Initiatives and Budget Director. Before getting her MBA at the Darden School at University of Virginia, she was an Associate Producer at ABC News in NY. She also has an MS in Journalism from Columbia University and a BA from Yale. Sally has been active in the volunteer community for many years and is currently on the Advisory Boards of Compass and Girls on the Run-DC and the Parents Executive Committee at Bowdoin College. She has served on the boards of Compass, CCBC Children’s Center, and most recently, Girls on the Run-DC, where she was board chair from 2014-2015.  She has been a committed volunteer at Maret, including chairing the Annual Fund and serving as a Parent Association representative. She coached Stoddert Soccer for many years and was a U6 Commissioner and was selected as Volunteer of the Year in 2006. She has coached the Girls on the Run team at Maret since starting it in 2010. She has served as co-chair of the Horizons Council at Maret and is still an active member. Sally lives in DC with her two children and husband and is a certified yoga teacher.  


Renée Stikes has worked as a nonprofit professional for more than twenty years. Most recently, she served as Vice President of Philanthropy at KaBOOM!, where she brought a broad range of successful experience creating and implementing strategies to raise visibility and secure funds from individuals, foundation, corporate, and government sources. Previous experiences include development roles at CentroNia, Council on Foundations, Children's Defense Fund, National Minority AIDS Council, and Building Futures. Renée holds a Master of Public Administration from American University and a Bachelor of Arts in mathematics from the University of Louisville.

Peter Barrett

Mr. Barrett is Head of School at St. Patrick's Episcopal Day School. Appointed in 1994, Mr. Barrett came to St. Patrick's with 17 years of experience as a teacher and administrator, much of it at St. Albans School, where he taught grades 4 through 6 and served as Director of Studies in the Lower School. He is a member of the governing boards of the Bishop Walker School for Boys, the Association of Independent Schools of Greater Washington, and the Association of Independent Maryland Schools, where he is vice president and president-elect. Peter earned his bachelor's degree in English at Trinity College and his master of arts in teaching in elementary education at Northwestern University and completed doctoral-level coursework in education policy, planning, and administration with a concentration in curriculum theory and development at the University of Maryland.


Hollis Dittersdorf has been a program and operations manager and administrator for arts, education, and philanthropic programs for more than 30 years. Among other roles, Hollis has held positions as Deputy Director and Acting Assistant Director of the Art and Embassies Program of the US State Department, Curator of Collections in the Interior Design Division of the US State Department, Silent Auction Co-Chair for Fight for Children, and Director of Operations for Horizons Greater Washington. She served on the Horizons Parent Council at Maret School for two years and twice co-chaired Maret’s annual auction. Her two children volunteered and worked for Horizons throughout their high school careers at the Maret School. Hollis holds a BS in Psychology from Georgetown University.

Tomi Fadeyi-Jones

Tomi Fadeyi-Jones is a Senior Human Resources Advisor currently working with CNA, a federally funded research and development center. Throughout her career in Human Resources, she has provided subject matter expertise to Fortune 500 and non-profit organization in various areas, including Compensation, Equal Employment, Performance Management, Organizational Design and Change Management, Employee Relations, Diversity & Inclusion, and Leadership Training & Development. 

During her middle/high school and college years, Tomi was a beneficiary of Horizons-like programs. Through her experience as a beneficiary of these programs, she found a strong connection to the mission of the Horizons program. Tomi began working with Horizons as a parent volunteer during the summer program at Norwood School. Over the years, she joined the volunteer council, led the development and coordination of the Norwood Build-a-Book events, and served on the Annual Gala Host Committee and the planning committee for the Horizons at Norwood 5K & Fun Run. She also serves on the Horizons Greater Washington Development Committee. Tomi holds an MBA from University of Maryland and a BS from Iowa State University.

Matthew Gould, Ph.D.

Mr. Gould is Head of Norwood School. Matthew is an experienced head with a passion for educating young children. He shares Norwood’s commitment to educating the whole child in a joyful and nurturing learning environment. Prior to joining Norwood School, Matthew was the Head of Community School in St. Louis, MO, a position he had held since 2004. Matthew earned his BA in Sociology and Anthropology from Earlham College and a Ph.D. in Education from the University of Chicago. Matthew began his career in education as a kindergarten teacher at Newtown Friends School in Pennsylvania, where he also taught second grade. While studying at the University of Chicago, Matthew taught at the Murray Language Academy, serving as assistant kindergarten teacher and providing individual instructional support. In 1997, Matthew became Assistant Head of School and Head of Lower School at Far Brook School, Short Hills, NJ, where he served until 2004. He also serves on the Board of Trustees for the Field School, Washington, DC, where he attended high school.

Karen Kelliher

Karen Kelliher began working with the Horizons program in 2012 as a Volunteer Council member at St. Patrick’s Episcopal Day School and most recently served as Vice President for Horizons on the St. Patrick’s Parents Association. In this role, Karen served as a Co-Chair for the past two spring galas. Her oldest son has served as either a volunteer or paid Horizons Assistant Teacher (HAT) for the last four summers. Karen and her husband have three children and live in DC.

Karen is a Designer for Done In A Day home staging company. Her passion for interior decorating has allowed her to redirect her career, which had mostly rested in administrative work for the US government since arriving here from New Mexico to work for her Congressman.

Jane Korhonen

Jane W. Korhonen, CFA, is a Partner at Brown Advisory and works in the Washington office. She is a Senior Portfolio Manager responsible for balanced portfolios for both institutional clients and high net worth families. Previously she was an analyst responsible for industries within the Health Care and the Technology sectors for both the Large Cap Growth Portfolio and Large Cap Value Portfolio. Prior to joining Brown Advisory in 1994, she worked as an equity research analyst for the Howard Hughes Medical Institute in the organization’s investment group. She serves on numerous boards including the CFA Institute, St. Patrick’s Episcopal Day School, and the Advisory Board for FairChance.

Mary Kwak

Mary Kwak has worked as a writer and editor for more than two decades. As acquisitions editor at the Brookings Institution Press, she published books on a wide range of public policy issues, including education reform. Before moving to DC, she worked at Harvard Business School, where she co-authored Judo Strategy: Turning Your Competitors’ Strength to Your Advantage (HBS Press, 2001) and numerous articles and case studies. At Norwood School, she co-chaired the Horizons Volunteer Council for two years and served as president of the Parents Association and as an ex officio member of Norwood’s Board of Trustees. She also serves on the board of Many Hands. She received her BA and MA in government from Harvard University and lives in Washington, DC with her husband and two children.


Jennifer Loven is a Managing Director and head of the Strategic Communications Division at the Glover Park Group, a leading strategic communications and government affairs firm. She specializes in crises; high-profile and high-stakes organizational moments such as negotiations, mergers, or leadership transitions; and strategic positioning, messaging, and media counsel for most public, complex, and impactful situations. Before joining GPG, Jennifer was a reporter with The Associated Press for 18 years, most recently as AP’s chief White House correspondent. She covered the White House for most of the Bush presidency and the first two years of the Obama White House, chronicling presidential elections, nearly every major global story, and presidential visits to all 50 states and more than 50 foreign countries.

Jennifer was elected by her peers in the White House press corps to the board of the White House Correspondents Association in 2006 and as WHCA president for 2008-09. Earlier in her journalism career, Jennifer covered a wide range of beats in Washington and reported from Detroit and the Michigan statehouse. She previously worked for The Russ Reid Co., a marketing firm for non-profit organizations, and as a non-profit volunteer in Pietermaritzburg, South Africa.

A native of Charlotte, NC, Jennifer received a degree in English and American studies from the University of Virginia and a Master of Science in Journalism from Northwestern University’s Medill School of Journalism. She lives in Chevy Chase, MD with her husband, daughter, and stepson.


Diane Mooney grew up in Princeton, New Jersey, and received her Bachelor of Arts degree cum laude in communications/journalism from the University of Washington in Seattle. She also holds a certificate in French language and civilization from the University of Paris, Sorbonne. Diane continued her education at the George Washington University National Law Center where she received her juris doctorate and is licensed to practice law in Washington D.C. and New Jersey. Diane went on to work in telecommunications law for 14 years, including private practice in Washington, DC. Prior to her law career, she worked as a journalist for the Associated Press in Seattle.

Diane served for nine years as a member and officer on the board of trustees of Maret School, and held numerous other volunteer positions at the school, including President of the Maret Parents Association and Chair of the school’s financial aid fundraising auction for two years. Diane is also in her eighth year as an English as a second language instructor at the nonprofit Washington English Center in Washington, D.C., where she additionally served for a number of years as a member and officer on the board of directors. She also previously served for several years on the board of directors for the Chevy Chase Recreation Association, Chevy Chase, Maryland. Diane has served as a volunteer tutor with the non-profit Reading Partners in three Washington, DC public elementary schools since 2013. She is serving her second year on the Board of Directors of Reading Partners DC.

Diane and her husband, Frank Pietrantonio, also an attorney, live in Chevy Chase, Maryland, and have been avid supporters of Horizons Greater Washington since the program’s inception at Maret. They are the parents of three adult children, all Maret alumni and two of whom (Anna and Sofie Pietrantonio) worked for multiple years as swim instructions at Horizons.

Mary Morgan

Mary Morgan is the proprietor of Morgan Group Ventures, Inc. (formerly Pen & Prose, Inc.). Mary possesses a Bachelor of Science degree in Accounting from Virginia Commonwealth University (VCU) and is a licensed Certified Public Accountant (CPA). She also possesses a Master of Business Administration, with a concentration in Finance and Marketing, from the University of Pennsylvania’s Wharton School. Mary is a Senior Examiner for the Malcolm Baldridge National Quality Award, an ASQ Certified Six Sigma Black Belt, and an avid volunteer. In addition to leading Morgan Group Ventures, over the past 20 years Mary has held several senior-level consulting positions within the American Association for the Advancement for Retired People, (AARP), for both public and private, domestic and international clients.  She is married to Joseph Morgan and has two children. The family loves to travel internationally and resides in Washington, DC.

Ellen Safir

Ellen B. Safir, CFA, is the Chief Executive Officer of New Century Advisors, an institutional investment advisory firm located in Chevy Chase, MD. Prior to founding the firm in 2002, Ms. Safir was Managing Director in the investment department of the Howard Hughes Medical Institute, one of the largest philanthropies in the US, with oversight of its $4.5 billion fixed income and currency program. Previously, Ms. Safir was Assistant Treasurer of the American Red Cross. She began her career as a financial analyst at the Federal Reserve Board of Governors.

Ms. Safir received a BA from Bennington College and an MBA from George Washington University School of Business and Public Management. Additionally, Ms. Safir holds the Chartered Financial Analyst designation. She serves as Vice-Chairman of the Investment Committee of the United States Holocaust Memorial Museum and is a member of the Finance Committee of the Foundation for the Advancement of Education in Science at the National Institutes of Health. She served on the Board of Directors of AARP Mutual Funds and is a past President of the Washington Society of Investment Analysts. She is a past President of the Washington Association of Money Managers.

Karla Silvestre

Karla Silvestre currently serves as the Director of Community Engagement at Montgomery College, a position she has held since 2014.  She leads the College’s efforts to be the community’s college through partnerships, engagement centers, outreach, and collaborative problem-solving. Ms. Silvestre has two decades of experience in community engagement, education, and youth development. She previously served in the Office of Community Partnerships of Montgomery County as the Latino Liaison to the County Executive. She also was Manager of the Gilchrist Immigrant Resource Center of Montgomery County. In these roles she worked to increase access and opportunity as well as strengthen relationships between the Montgomery County government and the residents it serves with the goal of building a larger policy table with participation by a more diverse range and greater number of residents.

Before moving to Maryland in 2007, she was the Vice President for Children and Youth programs at Congreso de Latinos Unidos, a large community-based non-profit organization in Philadelphia, where she managed school-year and summer youth programs. She also worked at the University of Pennsylvania in the Penn-Merck Collaborative for Science education. Ms. Silvestre is originally from Guatemala and has worked in that country in the field of bilingual education.

Ms. Silvestre is a member of Montgomery Moving Forward’s leadership group, a graduate of Leadership Montgomery, a board member of Montgomery History, a founding member of the Montgomery County Executive’s Hispanic Gala, and co-chair of Montgomery County Public Schools’ Latino Student Achievement Action Group.  She has two daughters in Montgomery County public schools at Rock Creek Forest Elementary and at Bethesda Chevy Chase High School. She holds a Master’s Degree in Education from the University of Pennsylvania and a Bachelor’s Degree from Florida State University.


Archie Smart is an executive vice president at MSL, responsible for leading the digital and social practice in North America. With 20+ years of experience, he has expertise in crafting targeted and creative solutions to modern communications challenges. Smart’s sophisticated understanding of strategic communications integrates public relations, social media, targeted online advertising, and crisis response into pragmatic and measurable outcomes.

Prior to MSL, Smart served a dual role as Chief Technology Officer for Mitt Romney's presidential campaign and at Targeted Victory, a full service interactive advertising agency, where he was responsible for leading and managing high-profile online/digital political campaigns. Smart began his career at Young & Rubicam working on international brands including Diageo, Philip Morris, USPS, and AT&T.

Smart serves as a Director of the Smart Family Fund, a 501(c)(3) that supports non-profit organizations in the education, media, and public policy sectors. He grew up in Greenwich, CT and attended New York University; he resides in Washington, DC with his wife and two young children.

Ellie Smith-Khuri

Dr. Ellie Smith-Khuri is a pediatrician and senior partner at Children's Pediatricians and Associates, an urban practice affiliated with Children's National Medical Center. In addition to practicing primary care pediatrics, she is a Clinical Professor of Pediatrics at the George Washington University School of Medicine and Health Sciences, with much of her time devoted to educating and training pediatric residents. Prior to her current position, she worked in the pediatric emergency department at Children's National. She also has worked as a postdoctoral fellow in public health at the National Institutes of Health with a focus on violence-related behaviors in teenagers. Ellie holds a BA in English from Tufts University and an MD from Columbia University College of Physicians and Surgeons. She completed her pediatric residency training at Children's National Medical Center in Washington, DC. Ellie has volunteered regularly in the Parents Association and Annual Fund at Maret School, and she also served as co-chair of the Horizons Council at Maret. 

Marjo Talbott

Ms. Talbott is the Head of School at Maret School. Previously, she was assistant head of school of the Buckingham Browne & Nichols School, in Cambridge, MA, where she also directed college counseling and taught history. She also worked for six years for the National Association of Independent Schools as director of the Boarding Schools Program and director of NAIS Admission Services. She started her career at the Masters School in Dobbs Ferry, NY. Ms. Talbott earned her BA cum laude at Williams College and her Master's in education from Harvard. 

Frank Zarb

Frank is a partner in the Washington, DC office of Proskauer Rose, LLP, an international law firm headquartered in New York.  He concentrates his practice under the U.S. federal securities laws, as well as on equity finance transactions regulated under those laws. Prior to joining Proskauer, he served at the Securities and Exchange Commission as Special Counsel in the Office of Chief Counsel and in the Office of International Corporate Finance, Division of Corporation Finance. He also served as Vice President and Chief Securities Counsel at Bristol-Myers Squibb.   

Frank is active in community service. He serves as a Trustee of the Gerald R. Ford Presidential Foundation. He also serves as a member of the board of directors of CAFA, the Charities Aid Foundation of America, and on the Alumni Governing Counsel for the Potomac School in McLean, VA.