Meet the Staff

kareli_resize.jpg Kareli Lizarraga
Associate Director
Tel: 215.573.2394 |

Kareli Lizarraga serves as the Associate Director for La Casa Latina. She was born in Mexico and raised in California and Arizona but she very much considers Philadelphia her home. She is a proud first-generation alumna from the University of Pennsylvania and holds a B.A. in Political Science. She is passionate about the intersections between policy, race, education, and the Latinx identity.

Her interest in educational issues began as a volunteer with the West Philadelphia Tutoring Project at Penn and deepened when in her junior year, she became an intern in the education department for the Lawyers’ Committee for Civil Rights Under Law. Seeing the systemic issues surrounding access to a high quality education, Kareli decided to join Teach For America upon graduation. In 2013 she was the first teacher in the country with DACA (Deferred Action for Childhood Arrivals) status through Teach For America, teaching 7th grade langauge arts in Denver, Colorado. Seeing her students thrive in middle school but have limited options at the high school level.

Kareli joined Teach For America’s national recruitment team in 2015, to help find excellent teachers for low-income students across the country.

As an associate director for La Casa, Kareli is excited to be back in her second home, La Casa, and supporting Latinx leaders at Penn.

Maritza2018_resize.jpg Maritza Santiago-Torres
Office Manager
Tel: 215.746.6043 |

Born in New York City and raised in the beautiful island of Puerto Rico, Maritza earned a Business Degree in 1976.  She has worked in the private sector for 20 yrs. From 1992-1994, Volunteered in the Jehovah’s Witnesses Building Kingdom Halls around the World Program. She worked in the Construction Program in Lands with Limited Resources, which provides an adequate place of worship for all those interested in Bible education. She has been dedicating 20 hours each month to their Literacy Program during the the past 30 yrs.

In 1994 Maritza moved to Philadelphia and worked at a non-profit in North Philadelphia with the Latino community.  She has been working at the University of Pennsylvania since 1997 and in 1999 became the first full-time staff of La Casa Latina.

Never had kids on her own, but Penn students has stolen her heart and many now call her mom.  Maritza has been happily married since 2010! She loves to travel and learn from other cultures and has visited over 14 countries.

Meet the Work Study Staff


Agustin Guerrero-Flores
High School Visits Coord.
Tel: 215.746.6043

Agustin Guerrero-Flores was born in a small village in Guanajuato, Mexico, and then moved to Detroit, Michigan when he was in the third grade. Agustin is a proud graduate of Cesar Chavez Academy High School in southwest Detroit and now is thrilled to be part of the University of Pennsylvania. He is a sophomore in the College of Arts & Sciences in which he is planning on majoring in Hispanic Studies with a minor in Mathematics.

Since the first day he stepped a foot onto the University and met the staff of La Casa Latina, he felt the connection between his roots and Penn. He is extremely proud of his roots and where he come from and he found at La Casa Latina a place where he can share his culture, beliefs, and thoughts. Agustin has many plans in his involvement with the Penn Community focusing on the Latinx community of Penn and the Latino community of Philadelphia.

At La Casa Latina his main task is to coordinate the high school visits to La Casa as well as support and plan Latinx events. If you need a place to eat Latinx food, he is the person to go and talk to. He is always eager to work with the rest of La Casa Staff, Penn Faculty and Staff to make La Casa Latina the community every student wants and deserves.


Adriana Gonzalez
Program Support
Tel: 215.746.6044 |

Adriana is a sophomore in the School of Arts and Sciences. She is planning on majoring in Political Science. She has become involved in MECHA and La Casa Latina and has found community and family among the students and Johnny, Maritza, and Kareli. She is looking forward to exploring more opportunities through Penn and more specifically La Casa. She is looking forward to the next 4 years.

Diego Caceres
Program Support
Tel: 215.746.6044 |

Diego Alejandro Caceres is a freshman in the College of Arts & Sciences studying Political Science. Originally from Caracas, Venezuela, Diego is very passionate about his Latinx identity and helping his community. Growing up in Orlando, FL, he was exposed to various Latinx cultures and appreciates the diversity within the Latinx community.

At Penn, he is involved with the Latinx Coalition as Chair of Admissions and on the Creative Team for La Vida Magazine. Through these roles, he seeks to bring the community closer and shed light on the different facets of Latinidad. If you ever see him working at La Casa, feel free to ask him for some Venezuelan coffee and a conversation – he’s more than happy to chat!