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D.J. Ryan Email & Phone Number

Staff Mechanical Engineer at Apptronik
Location: Coupland, Texas, United States 8 work roles 1 school
1 work email found @acutronic.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Staff Mechanical Engineer
Location
Coupland, Texas, United States
Company size

Who is D.J. Ryan? Overview

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Quick answer

D.J. Ryan is listed as Staff Mechanical Engineer at Apptronik, a with 255 employees, based in Coupland, Texas, United States. AeroLeads shows a work email signal at acutronic.com and a matched LinkedIn profile for D.J. Ryan.

D.J. Ryan previously worked as Senior Mechanical Engineer at Acutronic Group and Owner and Engineer at Ryan Machinery Engineering Llc. D.J. Ryan holds Bachelor'S Degree, Mechanical Engineering from University Of Washington.

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Email format at Apptronik

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{first_initial}{last}@acutronic.com
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AeroLeads found 1 current-domain work email signal for D.J. Ryan. Compare company email patterns before reaching out.

Profile bio

About D.J. Ryan

I am a professional mechanical engineer with a focus in machine design and mechanisms, especially gears, gear trains, and linear actuation- acme screws, ball screws, and roller screws. My experience also includes housings, bearings, shafts, bushings, seals, springs, among other mechanical elements. Designing mechanical systems utilizing these components is what I enjoy most.I've held engineering positions in multiple industries: medical device, aerospace, automotive, and construction. I also have knowledge and experience with Design For Six Sigma (DFSS), lean manufacturing, Design For Manufacturing (DFM), geometric dimensions and tolerances (GD&T), tolerance stackups, multiple 3D CAD modeling programs, simulations, preparing and maintaining schedules and programs, verification/qualification/testing activities, and leading and training others.

Listed skills include Aerospace, Mechanical Engineering, Engineering, Manufacturing, and 19 others.

Current workplace

D.J. Ryan's current company

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Apptronik
Apptronik
Staff Mechanical Engineer
Coupland, TX, US
Website
Employees
255
AeroLeads page
8 roles

D.J. Ryan work experience

A career timeline built from the work history available for this profile.

Staff Mechanical Engineer

Coupland, Tx, Us

Owner And Engineer

Ryan Machinery Engineering Llc

- Design lead of 777X Overhead Cabin Stowage Option (OCSO) of over 200 components with an electric motor drive through a multi-stage gearbox. Successfully completed post-CDR major redesigns to move into qualification test phase including all drawings, risk assessments, first builds, and reports.- Design lead of business jet horizontal stabilizer trim electromechanical actuator. Successfully completed all design engineering activities for Critical Design Review (CDR) to meet customer’s deadlines including writing and presenting full CDR package. Completed all drawings and wrote stress report.- Improved electric seaplane primary gearbox design for manufacturing by completing consulting review.- Completed prototype and proposal designs for two small EMA actuators.- Consulted for multiple companies for gears, splines, and DFM.- Streamlined future iterations and improved manufacturability by completing new 777 hydraulic motor pump housing design.- Successfully complete rapid development of COVID-19 ventilator in three weeks while working remotely with a team. Completed major and minor pneumatic and electro-pneumatic component selections, full design and drawing of membrane switches and its vendor selection including overlay design in Adobe Illustrator with Pantone color selections, front bezel design and drawing, and exhalation valve design and drawings.- Set up and managed business, sales, and accounting structures, contacted local and national businesses to win projects, worked with the state to determine B&O tax rates and credits, completed all tax documents including end-of-year reports.

Jul 2019 - Sep 2020

Senior Mechanical Engineer

Umbra Cuscinetti Inc

- Completed the design of the 777X Overhead Cabin Stowage Option (OCSO) with a team.- Reduced internal costs by supporting manufacturing with gears and splines as required.- Completed several electromechanical actuator designs for proposals.- Refined Solidworks PDM workflows and groups.- Mentored fellow engineers.

Aug 2018 - Jun 2019

Senior Mechanical Engineer

Bothell, Washington, Us

- Improved tolerances of electromechanical system and components in ultrasound device while reducing unit, manufacturing, and assembling costs. Successfully implemented new device with a team after completing all drawings, testing, reports, and reviews.- Improved design of ultrasound device touchscreen. Reduced system cost and improved system quality while working with internal customers and external vendors.- Supported ultrasound equipment production and managed and implemented various other projects.- Improved manufacturing and assembly of ultrasound devices through Kaizen events.- Mentored fellow engineers in various mechanical disciplines including creating and presenting gear training.

Jul 2016 - Aug 2018

Mechanical Systems Engineer

Triumph Aerospace Systems - Seattle

- Self-trained gear and ballscrew engineering principles. Maintained this expertise for Triumph Group, primarily Triumph Seattle. Taught engineers and technicians in the USA and in the UK.- Led and implemented American Gear Manufacturers Association (AGMA) membership and remained active representative for over five years including active involvement in six committees. Improved current AGMA standards and helped write new AGMA standards.- Investigated, tested, and implemented gear software (KISSsoft) to improve quality and reduce design time.- Proposed and won 787 electric brake actuator redesign. Reduced unit and assembly cost, bringing each unit from selling at a loss to a profit while also improving quality and strength. Advanced design through thousands of hours of testing on ballscrews, gears, seals, housings, paint/coatings, and full units.- Proposed and won high-altitude blimp satellite flight controls electromechanical actuator (EMA). Completed design from proposal, to kickoff, to PDR, and through CDR and drawing phases.- Completed design of NASA size 11 power-off brake through drawings and into test. Advanced manufacturability of design including prototype testing.- Proposed and won KC-46 tanker emergency brake and drum latch EMAs. Completed designs from proposal, to kickoff, to PDR, and through CDR and drawing phases. Completed all stress analyses and reports. Helped with FAA conformity prior to qualification test phase. Completed all design work including multiple redesigns to accommodate customer system changes.- Proposed and won JMRTD primary gearbox clutch EMA in the secret ITAR phase prior to public announcements. Completed design from proposal, to kickoff, and through PDR.- Designed roller screw from scratch using expired patents to increase portfolio.- Completed multiple R&D actuators to increase portfolio.- Completed EMA design and simulation R&D while working in Filton, UK for three months at Airbus.- Mentored, trained, and led engineers.

May 2010 - Jun 2016

Design Engineer

Kirkland, Wa, Us

- Successfully implemented 2010 emissions program and Next Generation Products working with a team.- Integrated and designed various engine components including engine filter component selections, attachment bracket designs, air conditioner pump component selections, and routings for HVAC and pneumatics.- Supported small FEA tasks as needed.

Oct 2007 - May 2010

Manufacturing Engineer

Bothell, Washington, Us

- Advanced scissor lift assembly and fabrication using design tools and full machine shop tools with welding to design, manufacture, and implement custom tools.

Mar 2007 - Oct 2007
Team & coworkers

Colleagues at Apptronik

Other employees you can reach at apptronik.com. View company contacts for 255 employees →

1 education record

D.J. Ryan education

  • University Of Washington
    University Of Washington
    Mechanical Engineering
FAQ

Frequently asked questions about D.J. Ryan

Quick answers generated from the profile data available on this page.

What company does D.J. Ryan work for?

D.J. Ryan works for Apptronik.

What is D.J. Ryan's role at Apptronik?

D.J. Ryan is listed as Staff Mechanical Engineer at Apptronik.

What is D.J. Ryan's email address?

AeroLeads has found 1 work email signal at @acutronic.com for D.J. Ryan at Apptronik.

Where is D.J. Ryan based?

D.J. Ryan is based in Coupland, Texas, United States while working with Apptronik.

What companies has D.J. Ryan worked for?

D.J. Ryan has worked for Apptronik, Acutronic Group, Ryan Machinery Engineering Llc, Umbra Cuscinetti Inc, and Verathon Inc., Subsidiary Of Roper Technologies, Inc..

Who are D.J. Ryan's colleagues at Apptronik?

D.J. Ryan's colleagues at Apptronik include Fernando Suarez, Kavi Senewiratne, Andrew Poveda, Joseph Dominguez, and Amy Lessner, Pmp.

How can I contact D.J. Ryan?

You can use AeroLeads to view verified contact signals for D.J. Ryan at Apptronik, including work email, phone, and LinkedIn data when available.

What schools did D.J. Ryan attend?

D.J. Ryan holds Bachelor'S Degree, Mechanical Engineering from University Of Washington.

What skills is D.J. Ryan known for?

D.J. Ryan is listed with skills including Aerospace, Mechanical Engineering, Engineering, Manufacturing, Gd&T, Geometric Dimensioning And Tolerancing, Solidworks, and Pro Engineer.

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