Mark Cieslar in

Mark Cieslar

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Director of Software Engineering at WB Games / Avalanche
📍 Bend, Oregon, United States

Mark Cieslar is a Software Engineering Director at Avalanche Software with deep expertise in game development, having co-founded two studios, Barnyard Games and Mutant Arm Studios. He helped launch and scale the seminal MMORPG "EverQuest 2" and holds a degree from the University of Colorado Boulder. Colleagues describe him as dependable, hardworking, and approachable.

He holds a patent for an "Internet audio multi-user roleplaying game, " showcasing his long-standing focus on innovation in online gaming.

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Experience
22 Years
Current Role
Director of Software Engineering
Job Level
Mid-senior
Location
Bend, Oregon, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Mark cares about

Game Studio Entrepreneurship
He has co-founded two game studios, Mutant Arm Studios and Barnyard Games, demonstrating a passion for building new ventures in the gaming industry from the ground up.
Unreal Engine / UEFN
His recent startup, Barnyard Games, focused exclusively on developing games for Fortnite using the Unreal Editor for Fortnite (UEFN), indicating deep expertise with the platform.
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Career

Work history

12-2025
Director of Software Engineering
WB Games / Avalanche
11-2023 - 7-2025
Head of Product and Technology/Co-Founder
Barnyard Games, Inc
5-2019 - 7-2023
Chief Technology Officer/Co-Founder
Mutant Arm Studios
3-2019 - 5-2019
Senior Technical Director
Daybreak Game Company LLC
2-2015 - 3-2019
Technical Director
Daybreak Game Company LLC
In the press

Media appearances

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Education
1992 - 1996
Bachelor of Science (B.S.)
University of Colorado Boulder
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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