Director Of Engineering
Current
Apr 2017 - Present
AeroLeads people directory · profile
Keith Roelfsema Email & Phone Number
Director of Engineering at Vizidef LLC
at
Vizidef LLC
1 work email found
@vizidef.com
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Current company
Role
Director of Engineering at Vizidef LLC
Location
Grand Rapids, Michigan, United States
Company size
Who is Keith Roelfsema? Overview
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Quick answer
Keith Roelfsema is listed as Director of Engineering at Vizidef LLC at Vizidef LLC, a with 9 employees, based in Grand Rapids, Michigan, United States. AeroLeads shows a work email signal at vizidef.com and a matched LinkedIn profile for Keith Roelfsema.
Keith Roelfsema previously worked as Director Of Engineering at Vizidef Llc and Technical Director at Berkley Hills Wesleyan Church. Keith Roelfsema holds Ba, Theatrical Design And Production from Western Michigan University.
Company email context
Email format at Vizidef LLC
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{first}@vizidef.com
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AeroLeads found 1 current-domain work email signal for Keith Roelfsema. Compare company email patterns before reaching out.
Profile bio
About Keith Roelfsema
Keith Roelfsema is a Director of Engineering at Vizidef LLC at Vizidef LLC. He possess expertise in sound design, event management, entertainment, sound reinforcement, audio engineering and 9 more skills.
Listed skills include Sound Design, Event Management, Entertainment, Sound Reinforcement, and 10 others.
Current workplace
Keith Roelfsema's current company
Company context helps verify the profile and gives searchers a useful next step.
Vizidef Llc
15 roles
Keith Roelfsema work experience
A career timeline built from the work history available for this profile.
Technical Director
Current
Berkley Hills Wesleyan Church
Maintaining current audio and video systems, suggesting upgrades within the budgetary constraints of the department, training and helping volunteers grow in their confidence and understanding of the equipment and serving the team as a whole.
Feb 2016 - Present
In-Stands Host (Substitute)
Current
Oct 2014 - Present
Jan 2019 - May 2019
General Manager
Audio, video and lighting system sales, Coordination with client schedules and equipment installers, Maintain current as well as gain new customers via phone, email and in person encounters
Dec 2015 - Jul 2016
Audio/Video Systems Engineer
The Wave Solutions
Full system Integration (Audio, Video & Lighting), Complete design draftings (Power/Conduit drawings, Signal line diagram, Projector & speaker layout), Volunteer & staff training (equipment, theory & implementation), Equipment service and support (in person, over phone and email)
Sep 2014 - Oct 2015
Promotions Manager
Fulfill sponsor contracts with in game promotions, give aways, PA reads and video commercials, Create and implement theme days, fan promotions, skits and between inning promotions •Interview, hire and manage the on field Promotional Team, Compile information from various departments for the daily game scripts, Help create an atmosphere of fun and customer service
Jan 2013 - Sep 2014
Mascot
Entertaining the fans at Fifth Third Field with skits, dances, on-field games and crowd interaction.
Jan 2012 - Dec 2012
Graduate Assistant
Train undergraduate students in skills related to audio production, Schedule open workroom and student hours, Create and execute weekly work plans, Communicate and work with department designers to coordinate equipment between multiple productions
Sep 2011 - Dec 2012
Vendor
I use my personality and voice to sell goods to the great Reds fans at Great American Ballpark
Jan 2012 - Sep 2012
Mascot
Entertaining the fans at the ballpark as 'Crash the River Rascal' with on field games, various skits and crowd interaction.
Apr 2007 - Sep 2011
Adjunct Professor
Professor for Intro to CAD for Theatre. Taught the application of Vectorworks, Sketchup and Microsoft Office for a theatrical setting.
Jan 2011 - Apr 2011
Stagehand - Miller Auditorium
Load in's, load outs and run crews for various touring shows
Mar 2008 - Apr 2011
Theatre Systems Assistant
Installing, repairing and maintaing the audio and lighting systems in the three theatres at the Gilmore Theatre Complex.
Jan 2009 - Dec 2010
Mascot
Entertaining fans as 'Buster Bronco' at football, basketball and hockey games as well as area events
Aug 2006 - Dec 2009
Team & coworkers
Colleagues at Vizidef LLC
Other employees you can reach at vizidef.com. View company contacts for 9 employees →
LC
Louie Cantu
Colleague at Vizidef LlcGreater Kalamazoo Area, United States
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ML
Michael Lucas
Colleague at Vizidef LlcGrand Rapids, Michigan, United States
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WL
Ward Laduke
Colleague at Vizidef LlcComstock Park, Michigan, United States
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ML
Madison Laduke
Colleague at Vizidef LlcGrand Rapids, Michigan, United States
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Louie Cantu
Colleague at Vizidef LlcGreater Kalamazoo Area, United States
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ML
Michael Lucas
Colleague at Vizidef LlcGrand Rapids, Michigan, United States
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WL
Ward Laduke
Colleague at Vizidef LlcComstock Park, Michigan, United States
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ML
Madison Laduke
Colleague at Vizidef LlcGrand Rapids, Michigan, United States
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2 education records
Keith Roelfsema education
Ba, Theatrical Design And Production
Master Of Fine Arts (M.F.A.) (Incomplete), Sound Design For Theatre
FAQ
Frequently asked questions about Keith Roelfsema
Quick answers generated from the profile data available on this page.
What company does Keith Roelfsema work for?
Keith Roelfsema works for Vizidef LLC.
What is Keith Roelfsema's role at Vizidef LLC?
Keith Roelfsema is listed as Director of Engineering at Vizidef LLC at Vizidef LLC.
What is Keith Roelfsema's email address?
AeroLeads has found 1 work email signal at @vizidef.com for Keith Roelfsema at Vizidef LLC.
Where is Keith Roelfsema based?
Keith Roelfsema is based in Grand Rapids, Michigan, United States while working with Vizidef LLC.
What companies has Keith Roelfsema worked for?
Keith Roelfsema has worked for Vizidef Llc, Berkley Hills Wesleyan Church, Grand Rapids Griffins, Cornerstone University, and Audio Foundry Llc.
Who are Keith Roelfsema's colleagues at Vizidef LLC?
Keith Roelfsema's colleagues at Vizidef LLC include Louie Cantu, Michael Lucas, Ward Laduke, and Madison Laduke.
How can I contact Keith Roelfsema?
You can use AeroLeads to view verified contact signals for Keith Roelfsema at Vizidef LLC, including work email, phone, and LinkedIn data when available.
What schools did Keith Roelfsema attend?
Keith Roelfsema holds Ba, Theatrical Design And Production from Western Michigan University.
What skills is Keith Roelfsema known for?
Keith Roelfsema is listed with skills including Sound Design, Event Management, Entertainment, Sound Reinforcement, Audio Engineering, Live Sound, Public Speaking, and Theatre.
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