Alexandra was born in Moscow. In 2000 he entered the Vienna Conservatory and the University of Music in Graz in class outstanding teacher Boris Kushnir. In 2002, at the Vienna Conservatory competition Alexander amount was awarded the Grand Prix, this was followed by her debut at the Vienna Konzerthaus. In 2004, she triumphantly performed at the Eurovision Song Contest for young musicians in Zurich, after which she was awarded scholarships named Herbert von Karajan Karajan behalf of the Centre in Vienna.
Alexander Summ performed with many leading orchestras in France, including the Paris Orchestra (conductor N. Jarvi, Pleyel concert hall), the Orchestre National de Lyon by M. Plasson, Orchestre National du Capitole de Toulouse under T. Sokhiev, Orchestre National de Montpellier running Yu Valchugi, the National Orchestra of Ile-de-France under E. Mazzola, the Orchestre Philharmonique de Nice under F. Lodeona and the Tokyo Symphony Orchestra and the Symphony Orchestra of the Japanese broadcasting company NHK, the Royal Scottish National Orchestra, p / u A. Lazarev, Symphony Gothenburg Orchestra n / a J. Storgarda, Frankfurt Radio Symphony Orchestra p / u A. Bring, National Philharmonic Orchestra of Russia n / a Vladimir Spivakov, the Israel Philharmonic Orchestra n / a conductor J. Levy, R. Fryubeka de Burgos and G. Blumstedta, Trondheim Symphony Orchestra S / T. Sondergarda, the Chamber Orchestra of Lausanne n / a J. Varga and the Chamber Orchestra of Zurich.

At the beginning of the 2010-2011 season Alexandra became a member of the youth program BBC Radio 3 «New Generation Artists scheme». Since then, her concerts were held with most of the bands BBC.

Alexandra speaks regularly at international festivals in Verbier, Montreux-Vevey, Gstaad, Lugano (Festival Martha Argerich), Montpellier, Besanзon, Saint-Denis, Menton, Deauville, Strasbourg, Schleswig-Holstein, Dubrovnik and others. Last season the solo concert violinist in the Louvre.

Alexandra  recorded two CDs on the label Claves, which included violin concertos by Bruch and Paganini violin sonatas by Grieg.

Alexander Summ plays violin Gvadanini 1785, granting her firm Florian Leonhard Fine Violins (London).