In 1987 the Italian Federation of Photographic Associations (FIAF) – Turin granted him the title of Italian Photography Artist (AFI).
He is currently freelance contributor to “Fotoit” and "Riflessioni" (FIAF Editor – Turin) magazines, and "The Milanese" magazine, published by the Milanese Photo Club.
Is editor of the online newsletter of the Dipartment of Audiovisual FIAF.
Entered on the National Directory of Journalist Publicists from 1996 to 2006.
Since 1994 to 2017 Rognoni was the official photographer of the "Quelli di Grock" Company in Milan and since 2015 to 2017 of MTM-Manifatture Teatrali Milanesi and Teatro i in Milan; but has worked with many other companies.
Since 2001 to 2006 he was the official photographer of Danae Festival in Milan, organized by Teatro delle Moire.
Some of his photos are included in the Archives of the Italian Centre of Author's Photography (FIAF), in the National Museum of Photography of Brescia and in the Civic National Photographic Archives of Sesto S. Giovanni (Milan).
He always places the production of the image alongside personal commitment to the dissemination of photographic culture.
He is teacher of Education Departement of FIAF and DiAF.
He is FIAF's National Juryman of photographic contests for audiovisual and prints.
He co-ordinated and carried out research work on “Images to be Saved” and “Being Elderly Today”, whose photos were published in two books printed in 1982 and 1984 by the S. Donato Milanese Culture Club. In 1994, he published his research “Theatre&Image” in 2004 “Images of images”, and in 2003, the catalogue of the dance-theatre Danae Festival was illustrated with Rognoni’s photos.
In 1999 he co-ordinated the text for the book “Digital Photography”, edited by FIAF – Turin.
In 2006 he published “Images tell changes in S. Donato”, and in 2016 he publicated "San Donato Remenber" dedicated to photo’s exhibition of S. Donato Historical Photographic Archives.
In 2008 Moire Theatre published the book "Anatomie di un corpo scenico", edited by Electa, that was illustrated with several Rognoni's stage photos (ISBN 978-88-370-6232-3).
In 2013 Quelli di Grock published the book "Quelli di Grock Story", on their artistic history through two decades of Rognoni's stage photos (ISBN 978-88-96059-24-1).
Moreover, many photos and articles on photographic techniques and language have been published in different magazines and newspapers.
The first solo exhibitions date back to seventies, with many organised both in Italy and abroad.
The most recent, in Milan, were held in the “Litta” theatre (2003) and in the Giovenzana Multistores “Images on the road” space (2004); in Busto Arsizio (MI) Boragna bookstore Gallery (2004); in San Donato Milanese Contemporary Art Gallery “Cascina Roma” (2004); in Cesano Boscone (MI) “Villa Marazzi” space (2005); in Seravezza Fotografia, ex-Scuderie Medicee (2008); in Sesto S. Giovanni (MI) Civic National Photographic Archives and in Brescia National Museum of Photography (2010); in San Donato Milanese Contemporary Art Gallery "Cascina Roma (2013); Collective exibition in Milan Corrente Foundation (2014); in Milan Palazzo Bovara during Photofestival 2014.
Video-projections were presented in Vezzano Ligure, Cremona and Fiorenzuola in 2006; Cesano Boscone, Tavazzano, Milan in 2007; La Spezia Golfo Foto Festival in 2008; Tavavazzano and Milan in 2009; Sesto S. Giovanni, Brescia, Monza, Merano, Iseo in 2010;Torricella Fotografia (Chieti) and Inverigo (CO) in 2011; 1° Digigraphie Photo Festival - Castellanza (VA) in 2012; Milan/Monzambano (MN)/Salsomaggiore (PR)/Cesano Boscone (MI) in 2013; Intelvi Slide Show (CO) and Cassolnovo (PV) in 2014; International Festival "Trophée de Paris" and Intelvi Slide Show in 2015, Paris-47° Gala Objectif Image in 2016; Cassolnovo (PV) Audiovisual Festival in 2017.
In 1999 he organised the exhibition “S. Donato Yesterday and Today” and in 2006 “Images tell changes in S. Donato” for the Culture Committee of S. Donato Milanese Local Authority. In 2007 he organised the Francesco Ventura exhibition "Fra la gente", held in San Donato Milanese Contemporary Art Gallery.
In 2017 he has, together with others, organized the exhibition GuardaMI at the Centro Culturale di Milano, in the context of PhotoFestival.
One of Authors winners of the "Dream Milan - the city through contemporary photography", organized by the Municipality of Milan and Alinari-24 Hours, 24 Hours Group.
Author awarded the exhibition “Inside the theatre, outside the scene”, organized by the magazine “Stratagemmi” at the space MIL in Sesto San Giovanni (MI).
1st prize contest COOP Lombardia on the theme "E' festa"
3rd prize of Intelvi (CO) International Slide Show Contest
3rd prize of Intelvi (CO) International Slide Show Contest - fixed theme
Special prize on theme "Volunteers" of Slide Shows National Contest of Piove di Sacco (PD).