Alexandra Spieldoch

Executive Director

Alexandra Spieldoch joined CTI as Executive Director in 2014. Prior to her role with CTI, she served as Coordinator of the Network of Women Ministers and Leaders in Agriculture and as Food Security Policy Analyst with WOCAN. She directed the Global Governance program at the Institute for Agriculture and Trade Policy (IATP) in Minneapolis. She co-directed the women's project and the global trade program at the Center of Concern in Washington, D.C. She has traveled extensively throughout Africa and Latin America, and has published numerous articles on food security, human rights, and agricultural development. Currently, she is a lead advisor on gender and food security with the Institute of Development Studies based out of the University of Sussex in Brighton, England.

Ms. Spieldoch received an M.A. in International Policy from the Monterey Institute of International Studies. Her B.A. is from Washington University in St. Louis, Missouri with a major in French literature. She studied at the University of Caen in Normandy, France as well as the University of Buenos Aires, Argentina. She has a certificate in business from the Ecole Supérieure de Commerce de Rouen. She lives in Minneapolis with her husband, her two daughters and their dog, Andrew.

Meghan Fleckenstein

Communications & Development Director

Meghan joined CTI in 2009 and provides leadership, coordination, and program development for CTI’s fundraising and communications activities. Additionally, she leads the in-country branding and marketing of CTI's technologies. Prior to joining CTI, Meghan received her Bachelor's degree in International Relations from Michigan State University, with a concentration in International Development. 

Wes Meier

Program Director

Wesley Meier graduated from Iowa State University with a degree in Mechanical Engineering in 2008. After graduation Wes decided to take the road less traveled and signed up to serve as a volunteer in the Peace Corps in Nicaragua, Central America. He served in Nicaragua for two and a half years working with rural farmers to develop appropriate technologies. While he was serving as a Peace Corps Volunteer, he also formed Emerging Opportunities for Sustainability (EOS) International, an NGO that promotes low-cost appropriate technology which generate income, improve health, and reduce impact on the environment. EOS International is one of CTI's main partners in Nicaragua, aiding in the promotion and implementation of the Water Chlorinator. After returning from the Peace Corps, Wes worked as an engineering consultant focusing on healthcare construction.

Mounir Njah

Lead Mechanical Engineer

Mounir has spent the past 20 years working as a Mechanical Design Engineer in Minnesota and Tunisia. Mounir initially joined CTI as a volunteer where he had the opportunity to use his passion for developing new technologies to benefit impoverished communities. Mounir is fluent in English, French and, Arabic, and is originally from Tunisia, where he received his Master’s Degree in Mechanical Engineering from the National Engineering School of Monastir.

Lizzi Whittlesey

Communications & Development Associate

Lizzi Whittlesey joined CTI in 2015 as the Communications and Development Associate. A native Minnesotan, she recently moved back to Minneapolis after four years attending Kenyon College in Gambier, Ohio. Her interest in food security and sustainable development grew after spending a semester studying in Quito, Ecuador, and she received her B.A. in International Studies with a concentration in Environmental Studies in 2014. 

Aliou Ndiaye

Senegal Project Manager

Aliou Ndiaye has many years of experience working with small farmers, Senegalese governmental organizations, international NGOs, and the private sector. He has worked as an advisor on agriculture and rural development with the Senegalese agencies SAED and ANCAR, training farmers to improve crop productivity, connecting them to the market and facilitate access to capital. Before joining CTI, Aliou worked as a Value Chain Manager for a USAID funded project focusing on sorghum and millet in Senegal. Aliou has a degree in Agricultural Engineering and a Master’s in Development Practice (MDP) at University Cheikh Anta Diop Dakar. Aliou is also a Geographic Information System specialist and has used this skill to gather important agricultural data throughout Senegal. 

Sergio Jesus Romero Alvarado

Nicaragua Project Manager

Sergio manages our safe water program in Nicaragua, where he helps rural communities gain affordable, clean drinking water. He trains village leaders to install CTI’s water chlorinators and test their water to ensure it’s safe to drink. Sergio’s tireless efforts for the health of rural communities have earned him respect among village leaders, enabling CTI to provide sustainable, safe drinking water for thousands.

Prior to joining CTI in 2009, Sergio led a 20 year career in public health as an epidemiologist with the Matagalpa Department of the Ministry of Health. He graduated with a degree in Professional Hygiene and Epidemiology from the Cienfuegos Health Polytechnic Institute in Cuba in 1985.

Sergio Noel Romero Largaegrada


Sergio Noel joined CTI in 2014 and is responsible for tablet distribution, chlorine bank management, and follow-up service to installations in the Central and Northern regions of Nicaragua. Previously, he gathered survey data in communities using CTI’s Water Chlorinator. Sergio recently graduated from Matagalpa’s Agriculture University with a degree in Agricultural Engineering.