DK°
VIENNA · 1050
DUŠAN KOSTIĆ - SALES & BUSINESS DEVELOPMENT · GENERAL MANAGEMENT

Leading teams.
Building markets.
Closing deals.

Teams führen.
Märkte aufbauen.
Abschlüsse erzielen.

Started out as a project engineer, printing documentation and eventually building the templates that didn't exist yet, then moved into managing projects. From there into technical sales - it still feels like engineering, just with room to be creative and think fast. Founded two subsidiaries along the way: the legal setup, the hiring, keeping team spirit high through all of it.

Dušan Kostić
01 Career flow PROCESS SCHEMATIC
01/2013-07/2015
Project Engineer
Dumag GmbH, Austria - P&IDs, technical documentation, vendor coordination
08/2015-01/2017
Project Manager
Dumag GmbH, Austria - budgets, timelines, client delivery
01/2017-07/2026
Senior Technical Sales Manager
Dumag GmbH, Austria - new markets from zero, agent networks, key accounts; ran the whole process in Salesforce, skilled in day-to-day CRM use
LINE FORKS 2017 - PARALLEL RUN
02/2017-07/2026
Managing Director & Founder
DUMAG d.o.o., Serbia - built from zero, covering all legal documents; took care of the whole recruiting business, growing to 15+ people; started a fully certified carbon and stainless steel workshop
LINE FORKS AGAIN 2019 - PARALLEL RUN
05/2019-08/2025
Managing Director & Founder
Dumag China - set up and led a compact 3-person local office
02 Core systems COMPETENCIES
International B2B Sales
Business Development
Market Entry from Zero
P&L & Company Management
Team Leadership
Technical Sales (Industrial)
Cross-Cultural Negotiation
Salesforce
HR / Recruiting
Agent Network Development
03 Recent activities AI & AUTOMATION

A newly discovered passion, already in production: applying AI to modernise the sales process itself, running hands-on out of a dedicated mini-PC.

  • AI-driven workflow generating commercial offers, P&IDs and process documentation from technical specs
  • 3D modelling automation for industrial visualisation
  • Fully autonomous social media content pipeline
  • Local Claude Code environment for ongoing prototyping
  • Built this very web page, from concept to going live, using AI
04 Languages & education
Serbian
NATIVE
German
C2
English
C2
Spanish
C1
Russian
B1
MSc / Dipl.-Ing., Mechanical Engineering
Faculty of Technical Sciences (FTN), Novi Sad
Specialisation: Energy & Process Engineering
2000-2011
05 Hobbies OUTSIDE WORK
Chess
Started at 40 as exercise for the brain. Currently rated around 1600-1700 on chess.com.
Philosophy
Our existence and purpose should always be questioned and studied. A big fan of Marcus Aurelius.
Reading
One writer per year, taking the time to really understand their work.
Multiday Hiking
Enjoy being outside for days at a time, tent packed whenever possible.