top of page
two hands trying to connect couple puzzl




Founder & Managing Director

As Managing Director of K+A, founded in 2003, Gisela has worked with leaders of global nonprofits, foundations and private companies across American, European and Latin American markets: with foundations to build the capacity of grantees and devise new strategic initiatives; with nonprofits to build strategic relationships with national and international philanthropies, mobilizing upwards of $60 million between clients; and with companies to create international visibility and media coverage. Before launching K+A, Gisela was a program officer at the Goldman Sachs Foundation (New York), Head of Public Affairs at Dresdner Bank (Frankfurt), steering corporate philanthropy; Program Director at the Armonk Institute (New York); and Program Officer for International Affairs at the governor’s office in the German federal state of Brandenburg. Gisela holds an M.A. from Freie Universität Berlin in Modern History. She speaks English, German, Spanish and French.



Senior Consultant

Amy Hoang Wrona is a highly experienced, successful, and results-oriented business development professional with over 20 years of experience in business development, strategy, and program management. Over the last five years, she has concentrated on business development in the US federal contracting space, helping small companies  and nonprofit organizations achieve explosive growth and large companies win federal contracts worth hundreds of millions of dollars. In this time, she has helped three clients win nearly a billion dollars in US federal contracts. Ms. Wrona started her career in management consulting, working for KPMG Consulting and McKinsey and Company. She holds her MA in International Economics and Southeast Asia Studies from the Johns Hopkins University School for Advanced International Studies and her BA from Johns Hopkins University. Aside from her native language English, she also speaks Vietnamese and Spanish.



Senior Consultant

Robin Rosenbluth is a coach to fundraisers, career-changers, executive leaders and boards. She offers consulting services including development audits, feasibility studies, building major gift programs, board development, corporate/foundation relations, and donor stewardship for annual, endowment and capital campaigns. Robin teaches fundraising at Columbia University and NYU and has served as Columbia’s career coach. She previously worked at The Nature Conservancy raising principal gifts for international projects and at Columbia fundraising for medical research. At Continuum Health Partners, she managed institutional giving for four New York hospitals. She also served as the Development Director of the Ms. Foundation and worked at the Jewish Museum, the Brooklyn Museum and other environmental and women's organizations. She is a frequent speaker at fundraising conferences and served on the board of Women in Development and as the co-chair of the luncheon committee.  

Sarah Sentoso Headshot.jpg



Sarah is a highly analytical and data-driven professional focusing on economic development, gender, and climate change. She possesses extensive first-hand experience in rural development and active engagement in various grassroots initiatives pertaining to the Southeast Asia region. Sarah's involvement with non-governmental organizations has primarily revolved around improving access to clean water, promoting education, enhancing sanitation, and empowering women in rural communities. Nowadays, she is pursuing a master’s degree in public administration at Columbia University, with a specialization in development, gender issues, and data analysis. Her academic journey began with a bachelor’s degree in finance and accounting from Melbourne University. Prior to her current endeavors, Sarah worked as an Associate at Deloitte, where she contributed to their M&A Transaction Service team.

bottom of page