Board and Staff


Ariel Yosef

Ariel Yosef

Founder and Owner

Ariel is an Advocate and a Mediator, with an LL.B. (Law), B.A (Communications) and LL.M. (Law and Communications) from the College of Management Academic Studies. Ariel has diverse professional experience in initiating and managing social enterprises and business ventures. In recent years Ariel has worked as an adviser to corporations and organizations in the field of business development, and he currently works for one of the leading real-estate groups in Israel.
Aside from founding ProMUNers, Ariel was the founding chair, executive board member and alumni manager of IsraMUN, the Israeli International Model UN Conference. He is the founding chairman of the Ethical Code Assimilation Committee at the Haim Striks School of Law in the College of Management Academic Studies and has served as judge at the College’s Disciplinary Court.
Over the years, Ariel fulfilled several positions in the legal sphere: he served as a coach and lecturer in the field of Public International Law at the College of Management Academic Studies and at Shaarei Mishpat College, in addition to practicing law at Israel’s top law firms, specializing in corporate law, mergers and acquisitions, investment agreements, and international mediation and arbitration. Ariel also serves in reserves as a legal advisor at the international law division in the Military Prosecutor’s Office.

Rafi Weinberg Littman

Academic Director

afi is a recent graduate, having studied politics, philosophy and economics (PPE) at Tel Aviv University. He began his Model UN “career” during his first year on campus, and has since delegated and chaired numerous conferences in Israel and abroad. He was also an organiser of the international Model UN conferences that took place in Tel Aviv during the summers of 2016 and 2017, which attracted some 150 students from all over the world. He has also served as the Academic Director and as Chairman of the Tel Aviv University Model UN Society.
Aside from Model UN, Rafi volunteered at the Transparency International NGO, which advocates norms of transparency and ethics in the private and public sectors.
These days, Rafi works as a project manager at the Council for Peace and Security, a nonprofit that works with numerous former high-ranking officials from the various Israeli security branches

Penina Schiffman

Board Member and Senior Instructor

דניס טקצ'וק

Denis Tkachuk

Board Member and Senior Instructor

Has a Bachelor’s degree in International Relations and Political Science from the Hebrew University in Jerusalem, and a Master’s degree in Security and Diplomacy studies from the Hebrew University in Jerusalem.
Denis is also a graduate of the excellence program of the Jewish Statesmanship College (JSC) of Jerusalem.
Denis teaches a Model UN at the College of Management Academic Studies (COMAS) in Rishon LeZion as an academic course, and occasionally writes for Israeli media outlets on Israel-UN relations.
Prior to working in ProMUNers, Denis worked for the Ministry of Justice (at the Israeli Corporations Authority).
Denis was the President of the Hebrew University Model UN society (HUJIMUN), and has participated, both as a delegate and as a staff member, in many MUN conferences, in Israel and abroad, and served as the Secretary General of IsraMUN 2013, an international MUN conference held annually in Israel.

רון קורן

Ron Koren


Ron is in his fourth year as an Economics and Law student at the Hebrew University in Jerusalem.
As a part of his military service in the Intelligence corps, he completed the Command and Training course of the Intelligence Forces Training school.
Ron has vast experience in working with teenagers. After training soldiers in the Intelligence corps and his military service, Ron volunteered in a “last chance high school” tutoring students from difficult backgrounds for the matriculation exams. During his academic studies, he trained at-risk youth in an economic workshop to prepare them for independent life, and he also trained families as part of his volunteer work for the “Paamonim” organization.
Ron is an alumnus of the “Ein Prat” academy for leadership, and he took part in several Model UN conferences and was a member of the Hebrew University Model UN society – HUJIMUN.

Hili Seker

Project Manager

Hili holds a B.A. in Sociology, Anthropology and Management from Ben-Gurion University, and currently studying for her MBA, specializing in Organizational Behavior. She is a psychotechnical diagnostician and a project manager and has vast experience working with diverse populations.

Currently she is working as a diagnostician for a large HR company, conducting personal and in-depth interviews and overseeing evaluation centers for a wide range of local and international companies and organizations. During her military service she served as a psychotechnical diagnostician and deputy team leader in a recruiting center.

During her B.A. she volunteered in a program aimed on assisting disadvantaged population groups in completing their high school exams, and took part in a mentoring project for a young boy, helping him academically and emotionally. Today she is volunteering for AKIM, the National Association for the Habilitation of Children and Adults with Intellectual Disabilities.


אנדי איז'ק

Andy Izsak

Andy holds a BA in international relations from the Hebrew University of Jerusalem and an MSc in international business from the University of Buckingham in Budapest. During her studies, Andy participated at the university’s Model UN group and other international conferences in Europe, and later at the international conference ISRAMUN as an Under-Secretary-General.
Prior to her current work at a strategic consultancy company, Andy held a position at the Israeli permanent delegation to the UN in New York, and previously served at the International Military Cooperation department of the General Staff at the IDF. Apart from that, as a student she took part at the StandWithUs fellowship for public diplomacy. Also, Andy volunteers in ‘Nova’ association as a coordinator for a consultancy project.

דניאל חזנוביץ'

Daniel Hazanovitz

Daniel is currently studying for her BA in Middle Eastern History and a multidisciplinary second Major in Humanities at Tel Aviv University. During the course of her degree she took part in Jewish “Hasbara” delegations to Europe and began her involvement in Model UN. Daniel has taken part in several national and international Model UN competitions as a participant, a judge and an academic advisor. In her second year of Model UN she was elected to serve on the board of directors of Tel Aviv University’s Model UN society and was a secretariat member of their first international conference (IMUNA Presents: The TAUMUN JCC) that was a great success. Currently she is the elected President of the Israeli Model UN Association (IMUNA), a non-profit umbrella organization made up of 12 Model UN societies in different universities and colleges nation-wide.

חיים זליגמן

Chaim Seligman

Currently, Chaim is a legal intern at the Office of the State Attorney, in the Department of International Affairs. He studied for his LL.B. at Bar-Ilan University. Chaim grew up in the United States and made Aliyah to accomplish his dream of living in Israel. Prior to commencing his studies at university, he served as a combat soldier in the IDF and volunteered as a medic in Magen David Adom (the national ambulance core).
Chaim has much experience in model UN being that he has been a part of the model UN world for over 10 years. Alongside his work with youth within the framework of ProMUNers, chaim participated in numerous national and international model UN conferences, and even served as the President of Bar-Ilan University’s model UN society (BarMUN) as well as the Vice President of IMUNA, the model UN association of Israel.

נאירין פאנוס

Nayreen Fanous

Currently a third year Law and Media student in the College of Management in Rishon LeZion. Since 2010 Nayreen has been volunteering as a group counselor and leader in the Orthodox Club Scouts in Jaffa. Her interest in Model UN began back when she was still a high-school student in “Tabeetha School”, a Scottish school in Jaffa, where together with her fellow schoolmates she participated in several MUN conventions around the country.
Throughout her higher degree studies Nayreen took part in the official Model UN Team in the College of Management, ‘COMASMUN’. In addition she is currently taking part in an Amicus Curiae Clinic held by the College of Management and run by the Concord Research Center for Integration of International Law in Israel. The clinic focuses on the study of international human rights as well as the humanitarian law and carry’s out preliminary research in order to file expert amicus opinions in legal cases where there are particular interests in the implementation of international norms.
After Nayreen completes her Law studies she will be interning in the Office of the Deputy Attorney General in the unit of International Law and the department of International agreements and International litigation.

Amichay Peretz Klopshtock

Sarah David

Dean Bitton

Nicole Bery Liberman

Lea Chocron

Ayob Farah