Ion Tiginyanu ti gboye lati Moscow Institute of Physics and Engineering ni 1978. O gba Ph.D. ìyí ni Semiconductor Physics lati Lebedev Institute of Physics, Moscow, ni 1982. O pari awọn iṣẹ iwadi ni Technical University Darmstadt, Germany gẹgẹbi ẹlẹgbẹ iwadi Alexander von Humboldt (1995/96, 1998/99) ati ni University of Michigan ni Ann Arbor, USA (2000/2001).
Lati 1998 si 2004 o ṣiṣẹ bi igbakeji-rector ti Ile-ẹkọ Imọ-ẹrọ ti Moldova. Ni ọdun 2004 o ti yan igbakeji-aare ati ni ọdun 2019 - Alakoso Ile-ẹkọ giga ti Awọn sáyẹnsì ti Moldova nibiti o ti ṣe imuse awọn iru ẹrọ ibaraẹnisọrọ ti o ni ero si ijiroro imọ-jinlẹ ti o munadoko laarin agbegbe ẹkọ ati laarin awọn oniwadi ati awujọ.
Awọn iwulo iwadii Ọjọgbọn Tiginyanu ni ibatan si awọn imọ-ẹrọ nanotechnologies ati imọ-jinlẹ ohun elo. O ni diẹ sii ju awọn atẹjade iwe iroyin 400 ati awọn itọsi imọ-ẹrọ 52. O ṣe agbekalẹ lithography idiyele dada ati electrodeposition hopping, ati pe o ṣẹda ohun elo atọwọda akọkọ pẹlu awọn ohun-ini hydrophobic/hydrophilic meji (ti a pe ni Aerogalnite, wo Nibi). Tiginyanu gba Aami-eye 'Oludasile ti o tayọ' lati ọdọ Ajo Agbaye ti Ohun-ini Imọye. O jẹ ọmọ ẹgbẹ ti Academia Europaea ati European Academy of Sciences and Arts, ọmọ ẹgbẹ ọlá ti Ile-ẹkọ giga Romania, Ẹlẹgbẹ ti International Society for Optics and Photonics (SPIE) ati bẹbẹ lọ.