Alexander Yonchev is a Bulgarian architect who graduated with distinction from the École Nationale Supérieure d’Architecture de Saint-Étienne in France in 2013. From 2013 to 2015 he lived and worked in Italy, managing various private residential and commercial projects located on the French Riviera. During this period he completed additional courses at the École Polytechnique Fédérale de Lausanne and Yale University. He returned to Bulgaria in 2015 and in 2017 he established his own practice under the name of Simple Architecture.

Since 2017 Simple Architecture has been working on various public and private projects around the world.