| 2004
| Editorial Board Member |
| Client: | Journal of Language Contact: Evolution of Languages, Contact and Discourse |
| Location: | France |
| Keywords: | contact linguistics, historical linguistics, language contact, linguistic interaction, hybridity, multiple causation, lexicology, words, polyglott, orthography, morphology, semantics, syntax, phonetics, phonology, mindset, linguistic relativism, philosophy, philology |

|
| 2005
| Academic Committee Member |
| Client: | Institute for the Study of Global Antisemitism and Policy (ISGAP) |
| Location: | United States |
| Links: | http://www.isgap.org/acadmic.html |

|
| 2007
| Editorial Advisory Board Member |
| Client: | The Open Applied Linguistics Journal |
| Location: | United States |
| Keywords: | applied linguistics, English as the world's language, EFL, ESL, mnemonics, education, immigration, multilingualism, bilingualism, lexicography, lexicology |

|
| 2009
| Editorial Board Member |
| Client: | Jewish Contemporary Review |
| Location: | United Kingdom |
| Keywords: | Jewish studies, Israeli, history, Middle East, Yiddish, language and culture |

|
| 2007
| Referee |
| Client: | Yale University Press |
| Location: | United States |
| Keywords: | linguisitcs, language revival, language maintenance |

|
| 2005
| Referee |
| Client: | Languages in Contrast |

|
| 2005
| Referee |
| Client: | Australian Journal of Linguistics |
| Location: | Australia |

|
| 2004
| Referee |
| Client: | Balshanut Ivrit (Hebrew Linguistics) |
| Location: | Israel |

|
| 2004
| Referee |
| Client: | CamLing (Conference in Language Research, University of Cambridge) |
| Location: | United Kingdom |

|
| 2002
| Referee |
| Client: | Journal of Modern Jewish Studies |
| Location: | United Kingdom |

|
| 2001
| Referee |
| Client: | International Journal of Lexicography |
| Location: | United Kingdom |

|
| 2003 - 2004
| Thesis Supervisor |
| Client: | Department of Hebrew & Jewish Studies, University College London |
| Location: | United Kingdom |

|
| 2001 - 2003
| Examiner |
| Client: | Faculty of Oriental Studies, University of Cambridge |
| Location: | United Kingdom |

|
| 2008
| Ph.D. Confirmation Examiner |
| Client: | Griffith University |
| Location: | Australia |
| Keywords: | Mandarin Chinese, Americanization |

|
| 1996 - 1996
| Seminar Chairman |
| Client: | Adi Lautman Interdisciplinary Programme for Outstanding Students, Tel Aviv University |
| Location: | Israel |

|
| 2000 - 2004
| Governing Body Member |
| Client: | Churchill College, Cambridge |
| Location: | United Kingdom |