Rick Massel


 For the past 20 years, Rick has worked with schools in New York, China, and India.  He believes that schools need to be a positive and safe educational environment that constantly challenged students to grow academically and socially.  In all his schools Rick works with his staff to provide every student the tailored assistance to succeed in school and go on to higher education.  Rick firmly believes that technology is the key to preparing all learners for the modern world.

Rick grew up in New York and received a Bachelor’s in history from Boston University, and a master’s degree from Touro College in school administration and supervision.  He has worked as a teacher, college advisor, student activities coordinator, department chairman and principal at his prior schools.



Ken Hildebrand


Mr. Ken Hildebrand, our Language Arts instructor, grew up in Northern California near San Francisco. He earned his Bachelor of Arts from the University of the Pacific, where he double-majored in History & Religious Studies with a minor in Philosophy. He then received his Master of Arts in History with a concentration in International Affairs from California State University, Stanislaus. Upon graduation, Mr. Hildebrand taught the social sciences and served as Head of Department at a private high school in California for eight years. He then left to teach IB Theory of Knowledge, History, Economics, and Geography at American and International school in Lebanon, Morocco, Qatar, China, and Kuwait. He has also coached academic teams, boys’ and girls’ basketball, football, and track and field throughout his career. In addition to his 15+ years teaching, Mr. Hildebrand has traveled extensively throughout Mexico, Europe, Russia, the Middle East, and Southeast Asia. He is an avid reader, fitness enthusiast, and a believer in the life of the mind. Mr. Hildebrand understands what skills and habits students must develop and possess in order to be successful at top-tier universities. He is also highly committed to ensuring his students excel in all their endeavors as global, empathetic, innovative and balanced individuals in the 21st century.


Jessica Malambu

Middle School Learning Coach Portuguese Co-Instructor


Ms. Jessica Malambu is a learning coach for our Middle School students. She has a Bachelor’s degree in Commercial Accounting from Unisa University in South Africa. Previously, she worked with students from a variety of backgrounds as a private tutor. She enjoys working with the ASA students and helping to provide them with the support they need to succeed. In addition to being a learning coach, Jessica is ASA’s primary Portuguese instructor.



Michael Neights



Mister Michael Neights comes to ASA from the mid-Atlantic region of the United States.  While in high school, he began tutoring math and teaching downhill snow skiing.   As a freshman at Pennsylvania State University, he taught a credited skiing course for the Phys Ed department and assisted in teaching an Introductory course for the Engineering department.  During summers he was guiding white water rafting tours on the Youghiogheny River and teaching swimming, kayaking and go-karting at a Connecticut summer camp.  Realizing his calling as a teacher, he transferred to Temple University Teachers College in Philadelphia.  He student taught at Philadelphia’s public school for gifted children, J.R. Masterman School.  After graduating magna cum laude, he returned to Masterman to teach math and head stage crew for the arts department.  More recently, he studied digital filmmaking at Community College of Philadelphia in order to integrate filmmaking into his math courses.  In addition to secondary math, he is also certified in secondary English, computers, social studies and general science.  With a passion for international travel, he has visited Mexico, Canada, Netherlands, Belgium, Italy, Dominican Republic, Colombia, Guatemala, Peru, Honduras, El Salvador and Panama.  He is excited to live in Angola and work at ASA.



Samora Rugumamu


Samora Rugumamu, is the high school science teacher at ASA. He is from a small town in North Carolina and has been teaching science and math within the United States and internationally (China, Kuwait, Kazakhstan, Vietnam) since 2009. He graduated from North Carolina State University with a BS in Biological Sciences. He then enrolled in graduate school, where he worked at a cardiovascular disease research lab, while also doing some teaching and TA work.

Over the course of his teaching career, he has had the opportunity to teach a variety of classes: earth science, chemistry, general science, environmental science, combined science, algebra and geometry. He has an M.Ed in curriculum and instruction (with a minor in K-14 science education). He has thoroughly enjoyed his international teaching career so far, as it has opened his eyes to a multitude of new cultures, languages, and people. Outside of work, he enjoys running, playing basketball, swimming, and of course travelling. He hopes to continue on this path as long as he can, and looks forward to contributing to a fun and productive school year.   


Tony Rishchynski



Anthony (Tony) Rishchynski has been involved in international education for over a decade. He began his career as an English as Second Language instructor and worked in a variety of different global settings, from Latin America to the Middle East to Africa. Tony recently re-calibrated his focus to the Social Sciences with a focus on History. For the last few years he was based at the International School in Windhoek, Namibia where he taught IGCSE and IBDP History. Tony holds a B.A in Media Studies and Spanish Language/Literature from Queens University (Canada), a M.A in Political Science from Georgetown University (USA) and a Post Graduate Diploma in Education from the University of Glasgow (United Kingdom). A life-long explorer and traveler, Tony has spent time living and working on each continent (except Antarctica!). He is a firm believer that a fluency with our past can help the next generation navigate the complex terrain of the fragmented 21st century. To this end, he seeks to introduce young people to the world of politics, culture and the past in order to shape an informed, global citizenry ready to face the challenges of the real world. Outside of the classroom, his main interests are traveling to far-flung locations in Africa, improving his Portuguese and reading/watching the classics of 20th century film and literature.



Deborah Tobin


Prior to joining ASA, Deborah Tobin worked as a teacher and a student support specialist in Canada, China, Malaysia and Oman. She also worked as a school principal above the Arctic Circle in the Canadian high arctic. She holds Bachelor degrees in Arts and Education and a Master’s degree in Education as well as the Cambridge University EAL certification. She is a writer, photographer and videographer and enjoys outdoor activities, traveling and encounters with nature.