Our Team

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Ana Maria Grigoras

Chief Executive Officer & Co-Owner

Dr. Grigoras is a child clinical psychologist and Fulbright scholar with impressive knowledge in program design and evaluation. Dr. Grigoras earned her MA in Educational Psychology from New York University in 2003 and, subsequently a PhD in Child Clinical Psychology from St. John’s University.  Dr. Grigoras has over 15 years of experience directing research and evaluation studies of youth development, after-school, and mental health programs for clients in the public and private sectors. She has directed all phases of research, including development of study designs employing both quantitative and qualitative methods, instrument design, multi-site data collection, data analysis, and reporting. Dr. Grigoras is especially proficient in blending quantitative and qualitative research methods to measure the implementation and impact of critical areas of education and youth development programming. Dr. Grigoras is also an expert grant writer and has been highly successful in writing grant proposals that incorporate effective program models and evaluation plans for a variety of youth development, after-school, and expanded-learning time programs.

Danielle Lawrence-Campbell

President & Co-Owner

Dr. Danielle Campbell is a passionate and dedicated public health professional who has an unwavering commitment to leading rigorous and culturally responsive program evaluations within the fields of public health, education, youth development, criminal justice, and mental health. Dr. Campbell earned her MPH degree in Epidemiology from Yale University in 2002 and subsequently her Doctorate in Public Health (DrPH) in Community Health Sciences from Boston University School of Public Health in 2011. With over 15 years of experience in applied quantitative and qualitative research methodologies, Dr. Campbell has emerged as an expert in directing all phases of program evaluations across diverse settings, developing theory of change and logic models, designing data collection instruments and databases, performing advanced statistical analyses, as well as writing reports and presentations for different audiences. Additionally, Dr. Campbell is an expert grant writer who has successfully supported organizations’ capacity building and fundraising efforts by securing funding from both private and public sources. Throughout her career, Dr. Campbell has served as adjunct faculty at New York University and more recently at Montclair University, teaching a variety of undergraduate and masters level courses in the Department of Public Health. Led by a strong conviction for service, she is currently a board member and mentor for Emerging Women Leaders, a career mentorship program for DrPH and PhD students at Boston University School of Public Health. Dr. Campbell is respected by colleagues and peers alike for her commitment to excellence, integrity, and contributions to data driven decision making that supports communities’ efforts to achieve positive outcomes.

Christina López

Senior Director of Research and Evaluation

Dr. Christina López is a sociologist of education with over 18 years of experience in youth development and community partnerships. Her Lower East Side upbringing in the projects, Bronx roots, and Dominican identity have inspired her commitment to service throughout the various roles she’s held in her career. She has managed over 40 school-CBO partnerships as a former CBO supervisor in Brooklyn and DOE program manager in the Bronx. In addition, her scholarly work has examined the educational experiences of underrepresented minorities at predominantly white institutions and the social forces that shape systems of education. Dr. López earned both a MA and Ph.D. in Sociology of Education from New York University, and a BS in Science and Technology Studies and Psychology from Rensselaer Polytechnic Institute.

Pia Otero

Associate Director of Research and Evaluation 

Pia has more than fifteen years of research and evaluation experience in academia, government institutions, nonprofits, and community-based organizations. Prior to joining the L&G team, she consulted for the University of Nebraska Medical Center and for the Perception Institute and served as the Associate Director of Research and Evaluation at iMentor and as Curriculum and Evaluation Manager at The Hispanic Committee for Children and Families in New York City. Earlier, she was a researcher and program evaluator at the Buenos Aires Ministry of Education. In this role she executed a portfolio of research and evaluation projects, using both quantitative and qualitative approaches, and led the design and implementation of the evaluation of socio-emotional skills learning and development in k-12 public schools. Pia holds two master’s degrees–one in Sociology and Education from Teachers College, Columbia University, with a Fulbright Scholarship award, and the other in Educational Management and Policy from the Universidad de ‘San Andres’ in Argentina. She also has a graduate specialization in Applied Statistics for Social Sciences from the Institute of Economic and Social Development in Buenos Aires and completed the IPDET training – International Program for Development Evaluation Training.

Hayley Davis

Director of Development

Hayley Davis (she, her, hers) is a passionate professional with a robust background in nonprofit development and additional experience in public policy. Hayley graduated with her MPH in Public Health Nutrition from the CUNY Graduate School of Public Health and Health Policy in 2021, and holds a BS in Community Health from SUNY Potsdam. Hayley earned her MPH while working full-time for nonprofits focused on food access, health equity, and positive youth development. Hayley also interned with Eric Adams supporting plant-based nutrition initiatives, and volunteered as a Policy Consultant, developing the Food Justice and Youth policy platforms for NYC Council District 11 Candidate. In 2021, Hayley was named one of the 40 Under 40 Rising Stars in NYC Food Policy. By leading fundraising and communications for nonprofit organizations, Hayley has leveraged millions of public and private dollars in support of community-based programming. She has worked directly with many constituencies across all five NYC boroughs, including those impacted by social inequities and leaders from various sectors. Earlier in her career, Hayley served as an AmeriCorps VISTA for a nonprofit university where she developed and launched a free early college program for high school students across Brooklyn. Hayley is also experienced in research and evaluation. Hayley has served on the Board of Directors of Field & Fork Network and First Look Buffalo Theatre Company. Outside of work, Hayley enjoys yoga, reading, traveling, outdoor activities, and listening to live jazz with family and friends.

Margretta Willemin

Senior Development Officer

Margretta Willemin is a grant writer and prospect researcher with a Master of Science in Nonprofit Management from Columbia University and a Bachelor of Arts in English from Colgate University. Prior to joining the team at L&G, Margretta spent four years working in Strategic Gifts for The Fresh Air Fund, a nonprofit organization that provides summer enrichment programming and year-round educational programming to children from underserved communities in New York City. During her tenure, she managed the organization’s grant calendar and diversified The Fund’s portfolio of grants and prospects, including securing new funding for The Fund’s six camp libraries, bee education program, and the creation of a land management internship program. When not writing or researching, Margretta is an avid outdoorswoman. She enjoys spending her free time hiking with her fiance and their two dogs, and she recently summited her first mountain with an elevation over 14,000 ft. 

Hannah Kitchin


Hannah (she, her, hers) received her Master of Arts in Applied Psychology from New York University Steinhardt with a focus on Human Development and Social Intervention. She also holds a BA in Psychology from Rollins College. She is passionate about improving the lives of children and families through high-quality programming that caters to their unique needs. Before joining L&G, Hannah supported continuous quality improvement efforts for child welfare programming at Children’s Aid. She also partnered with the NYCDOE to research the professional learning needs of early childhood educators and identify effective methods to increase art instruction in the classroom. Most recently, she coordinated the rollout of NYC early childhood initiatives to better serve preschool students with disabilities and educate families on the special education process. Hannah is a lover of all things music. In her free time she enjoys playing piano, watching Broadway musicals, and jamming out at karaoke night.

Cindy Lowe


Cindy Lowe earned both a Master of Social Work and Master of Public Administration degree from Columbia University and also holds a BA in Sociology from Vassar College. With over ten years of experience in the nonprofit sector, Cindy is deeply committed to strengthening human service programs and improving outcomes for children, youth, and families. She has worked directly with youth in the foster care system and their foster families, as well as with survivors of domestic violence and their children. More recently, she has led continuous quality improvement work in child welfare and behavioral health programs at Children’s Aid and the Jewish Board. In her spare time, Cindy enjoys running, reading, singing in her local community choir, and traveling.

Danny Unger


Danny Unger is an experienced teacher and education researcher. He is a Ph.D. candidate of Teacher Education at the University of Nevada, Las Vegas where he previously earned his M.Ed. in Curriculum and Instruction. His research focuses on how pre-service teachers develop a sense of belonging through relationship-building experiences which occur in informal environments, impacting formal learning outcomes. He has taught university courses to pre-service teachers enrolled in teacher preparation programs including general methods and curriculum development and has taught social studies courses to high-school students such as history, civics, and economics. At the University of Nevada, Danny created a Saturday STEM program for middle and high school students which provided educational enrichment and STEM learning to students attending at-risk schools in the Las Vegas Valley. He enjoys time with his friends and family, playing and listening to music, and exploring the world with his partner and their two dogs.

Priyanka Kohli


Priyanka Kohli joins L&G as a Graduate Education Diversity Internship (GEDI) Intern through the American Evaluation Association (AEA). Priyanka is passionate about bringing technology, program management, and public health together to enable healthy lives and futures for children experiencing poverty. A successful professional with 12+ years of experience in building scalable and sustainable high-performance teams and organizations, Priyanka is currently back in school at Columbia University, pursuing graduate program in public health, with focus on Child, Youth and Family Health. She has experience working with non-profits, community-based organizations, private philanthropies, and hospitals during her time at the Robin Hood Foundation and NewYork-Presbyterian hospital in New York City. Priyanka has been a part of the founding team at GreyOrange, a global hardware and software technology company that is disrupting the Supply Chain & Logistics industry. In her 8+ years tenure, she has led Global Partnerships, Sales enablement, and led People Operations at GreyOrange. She grown the team to 400+ across India, Singapore, Germany, Japan, USA and South America. Prior to joining GreyOrange, Priyanka Kohli worked as a Consultant with Gallup. She consulted with clients to create and execute change management and organizational development strategy. Priyanka has also worked with Cisco Systems, and was involved in Research and Development, Pre Sales, and Technical Marketing. Priyanka earned her bachelor’s degree in Electrical and Electronics Engineering from Birla Institute of
Technology and Science, Pilani (BITS), India. She is also a Master in Business Administration (MBA) from the Indian School of Business (ISB) in India, where she was honored as the Dean’s lister (Top 10% of the class) in recognition of her outstanding academic performance.

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