Evren specializes on strategic management and legal & regulatory affairs. He leads Say Reklam, a public company active in branding solutions, as well as its network of subsidiaries and franchises, and owns a boutique consultancy, Promaya.

Evren also served as an executive board member at other family-controlled companies such as Ates Celik (active in renewable energy equipment manufacturing, engineering and installation) and Plaka Mobilya (manufacturing corporate furnitures). 

He allocates a fair share of his time for civil society, notably through his work as a board member of ARED, Sign Association of Turkey.

Evren previously worked as a full-time consultant, his main fields of activity being trade & customs, competition & regulation, and government affairs. Besides governmental authorities and business associations, he served many domestic and global industry leaders such as Soyak Holding, Samsung Electronics, Philips, Kayı Holding, Praktiker, Eczacıbaşı Holding, Dere Group, Bilkent Holding, Aygaz, Kibar Holding, Turk Telekom, Oyak Holding, and Goodyear.

He has represented/advised clients in more than 65 trade remedy cases in Turkey and abroad, more than 30 filings and cases at the Turkish Competition Authority, 12 PPP projects, and many commercial transactions such as M&A and JV deals, international sale of goods contracts, and tax and customs disputes.

Evren presented and published several scientific articles, and also appeared in many magazines and newspapers with articles or interviews.