Jezreel Callejas

Visual Designer, Illustrator, Primary Instigator


Blizzard Entertainment

Graphic Designer – Creative Marketing Services, World of Warcraft

  • Developing on-brand logos, title treatments, style guides, and supporting marketing graphics for future World of Warcraft expansions and tentpole esports events
  • Maintaining design systems, documentation, and design templates for owned and operated marketing channels, including and
  • Providing high-volume graphic design and motion graphics support for weekly ad-hoc marketing initiatives and email marketing campaigns
  • Assisting in onboarding to ensure new and existing design team members are familiarized with design/production workflows and procedures

PlayStation (San Diego Studio)

Digital Artist & Graphic Designer – Live Team, MLB The Show

As part of a small and tight-knit group of designers for the studio’s Live Team, I helped develop and elevate the visual design of front-end UI assets in MLB The Show 21 and MLB The Show 22:

  • Created original concept art, key art, and design templates for tentpole content programs, including the 2022 All-Star Game and Home Run Derby programs in MLB The Show 22
  • Provided high-volume graphic design and illustration support for in-game live content assets, including pack art, card art, profile banners, icons, and program announcements

Proletariat Inc.

Marketing Artist – Creative Services, Spellbreak

Before departing after Spellbreak ceased development and publishing efforts, I serviced live ops marketing and design needs for the studio’s innovative multiplayer spell-casting game:

  • Developed and elevated the visual design of digital marketing, email marketing, and release trailer motion graphics across social and owned and operated marketing channels
  • Designed original sub-branded logos for Spellbreak Chapter 2: The Fracture and Spellbreak Chapter 3: The Wardens
  • Worked closely with production and marketing leadership to develop workflows, documentation, and design templates for recurring marketing and promotional campaigns
  • Designed and delivered on-spec release imagery and store takeover art for all major gaming platforms: PS4, PS5, Xbox, Xbox Series X-S, Switch, Steam, Epic Games Store, and Amazon

DeviantArt Inc.

Graphic Designer – Creative Studio

Partnered with cross-functional product marketing teams to lead and execute the visual design of brand-partnered community activations and global marketing campaigns for the world’s largest online social network for art, with over 75 million registered users worldwide:

  • Defined scope, created wireframes, and designed high-fidelity mockups for marketing landing pages, leveraging the capabilities of DeviantArt’s proprietary publishing platform
  • Designed and illustrated original key art, logos, spot illustrations, and static/motion graphics, optimized for web pages, promotional videos, social media posts, and email marketing
  • Collaborated with production and marketing leadership to develop workflows, documentation, and design templates for recurring marketing activations and campaigns across social and owned and operated marketing channels
  • Provided art direction and feedback to copywriters, developers, and junior designers on web pages and marketing creative to ensure message clarity and design accuracy

Siege Media

Senior Graphic Designer

Led and executed the graphic design and illustration of content marketing initiatives for agency clients, including Fundera (NerdWallet), ShutterFly,, and The Zebra:

  • Collaborated with marketing and design colleagues to brainstorm, develop, and successfully pitch content proposals to agency clients
  • Created high-ranking search-driven infographics and blog content tailored to each client’s brand guidelines, industry vertical, and target audience

UC San Diego

Senior Graphic Designer – Creative and Digital Strategy

  • Designed flagship marketing collateral for UC San Diego’s $2 billion capital campaign to promote and celebrate the university’s position as a top-10 research & academic institution
  • Redesigned UC San Diego’s weekly email newsletter template to align with new brand guidelines and content needs—from defining scope, creating wireframes, and designing high-fidelity template mockups
  • Created new workflows and design templates for print and digital publications to alleviate pain points in content development and design production
  • Maintained close relationships with external print vendors to develop design solutions for tentpole print projects

Graphic Designer – Creative and Digital Strategy

  • Collaborated with writers and photographers to design original title treatments for lead articles published in UC San Diego’s weekly email newsletter
  • Executed the design and layout of recurring printed and digital publications
  • Provided graphic design and illustration support for individual department and campus-wide marketing initiatives tailored to various target audiences—including students, staff, administration, alumni, and donors.


  • Art Direction
  • Brand Development
  • Design Systems
  • Iconography & Illustration
  • Layout & Typography
  • Motion Graphics
  • Photography
  • Print & Digital Marketing
  • Product & Packaging Design
  • Social & Email Marketing
  • Video Editing
  • UI/UX Design


  • Adobe Photoshop
  • Adobe Illustrator
  • Adobe InDesign
  • Adobe After Effects
  • Adobe Premiere Pro
  • Adobe Lightroom
  • Cinema 4D
  • Figma
  • Google Workspace
  • Keynote
  • Microsoft Office 365
  • WordPress


UC San Diego
BA, Visual Arts: Media