Hélène in a few dates
| 1971 | Encounters her first esthetic shock : a present bag from a former pilot of airmail flight company who made it with leather bindings as their mementos. |
| 1986 |
Graduates from Studio Berçot alongside Isabel Marant, Véronique Leroy and Antoine Platteau. |
| 1987 | Helene and her partner found the brand “31 Février” which quickly stands out by reintroducing the concept of sac-objet within the very traditional leather goods industry. Every collection tells a story. The brand enjoys a broad international distribution. Some of the models are part of the collection of the Museum des Arts Décoratifs in Paris. |
| 1988 | First of several collaborations with Karl Lagerfeld, designing bags for his Spring-Summer pret a porter fashion show. |
| 1989 | Starts designing bags for Thierry Mugler on his Africa themed pret a porter fashion show at the Museum des Arts Africains et Oceaniens in Paris. |
| 1990 | Recipient of the ANDAM Fashion Award in Paris, 31 Février is the first accessories brand to receive the prize. |
| 1991 |
Collaboration with Paco Rabanne for his accessories. |
| 1992 |
New collaboration with Karl Lagerfeld for Chloé. |
| 1993 | Opening of a 31 Février store in Paris. |
| 1994 | Licensing contract signed for the distribution in Japan of a unisex leather goods line named Moitié-Moitié(e) |
| 1996 |
Launch of a shoe line in collaboration with Charles Jourdan. Double page spread in the American Vogue. |
| 1999 | In charge of leather goods design with Michael Kors at Céline. |
| 2004 | Starts her namesake brand Hélène Nepomiatzi whose first models are presented at the Maria Luisa store, rue Cambon, then at Le Bon Marché Department store. |
| 2008 | Ron Arad « No Discipline »: collaboration to design the bags shown at the exhibition devoted to Ron Arad at the Centre Pompidou (2008) and at MoMA (2009). |
| 2009 | Creates a trolley line for the brand Caddie in co-branding. |
| 2012 | Creates a Silver Book for the opening event of the Christofle flagship store in New-York. |
| 2013 | Lecturer at the Institut Francais de la Mode in the Department Création Majeure Accessoires. |
| 2015 |
Creates a line of objects for Hermès « petit h » |
| 2016 | Presentation of the first object « le bureau mural » in the Hermès store, rue de Sèvres in Paris. |
| 2017 | Installation of « L’épouvantail de salon » in the Hermès store, rue du Faubourg Saint Honoré, Paris. |