ABOUT

William Sierra

Accomplished Senior Video Production Manager with over 10+ years of experience creating high-quality video content for corporate marketing and communications. Adept at managing the entire production lifecycle—from concept to final delivery—developing dynamic content that enhances brand visibility and drives customer engagement.

Extensive expertise in producing a wide range of video content, including promotional, instructional (how-to), unboxing, demo, presentation, tech overview, social media, lifestyle, documentary, corporate communication, and training videos. Whose work has collectively generated over 4.7 million views across various platforms.

Proven ability at leading in-house teams, coordinating independent production contractors, and streamlining workflows to ensure seamless execution from pre-production through post-production. Passionate about leveraging the latest video, audio, and digital media technologies to craft compelling visual narratives that inspire and inform.


  • Producer
  • Director
  • Creative Project Management
  • Video Production (In-Studio, On Location)
  • Videography
  • Video Editing – Motion Graphics – Sound Design – Color Grading
  • Lighting & Audio
  • Branding & Corporate Storytelling
  • Team Management
  • Screen Capture 
  • Third-Party Vendor Management
  • AI Video Creation
  • Bachelor of Arts Mass Communications
  • California State University East Bay, Hayward, CA
  • Premiere Pro
  • After Effects
  • Audition
  • Media Encoder
  • Photoshop
  • Illustrator
  • Final Cut Pro
  • Adobe Creative Cloud
  • Adobe Firefly – Runway – Google Flow
  • Midjourney – Adobe Nano Banana
  • Eleven Labs – Suno
  • ChatGPT – Google Gemini – Claude
  • DaVinci Resolve
  • Camtasia
  • ScreenFlow
  • 6K/4K Cinema Cameras
  • Lights & Gaffer Gear
  • Lav/Boom Mics & Mixers
  • Green Screens
  • Teleprompter

  • NETGEAR
  • Tailored Brands
  • Men’s Wearhouse
  • AgriWise
  • AT&T
  • EMG Pickups
  • CallidusCloud
  • East Bay Leadership Foundation
  • Lucky Brand Jeans
  • International Brokers Solutions
  • Service Champions
  • PMI
  • MediaMed
  • Accelerated Marketing
  • Korsgaden International
  • Moores Clothing for Men
  • Purple Orchid
  • K&G Fashion Super Store
  • Symmetry Direct
  • PartyLite
  • Bay East Association of Realtors
  • Entisys
  • Sybase
  • TestTrainer Inc.
  • Operating Engineers Local 3

William Sierra
LinkedIn
email: will@trimark.cc
phone: 925.348.2739