Automotive Consulting Services

About Us


Rob Simons

ACS was founded by industry veteran Rob Simons. With over 20 years of experience in powertrain engineering, vehicle development, emissions compliance, operations and executive management, Rob is the perfect partner to help your business succeed.  Rob has a degree in mechanical engineering from the University of Maryland, and an MBA from USC.  He holds several US patents, and is noted for such accomplishments as the launch of the Saleen S7 super-car and green fielding the Edelbrock E-Force supercharger product line. Rob is also very active within the Specialty Equipment Market Association (SEMA) serving as the Chair -Elect of the Emerging Trends and Technology Network, ETTN.  


Derk Hartland


A versatile innovative automotive engineer with advanced CAD capabilities. Over the last 20 years Derk  designed just about every part on a car. With a background in motorsport Derk was involved in the design and build of the Saleen S7 supercar and the Kepler Motion.  Using Siemens NX he has experience with complex designs and assemblies as well as flow and strength analysis. Derk and ACS can provide complete cad models and drawings and reverse engineer existing components. We will work around your specific needs. 



Steve Khoo

 Steve Khoo, Chief Technology Advisor, has 20+ years of experience as a Senior IT Leader, Infrastructure and Enterprise Application System Engineer, Architect, Operations and Helpdesk Manager.  Steve is known for leveraging emerging technology and processes to drive strategic initiatives that deliver high value business impact. A unique mix of technical and business acumen enable Steve to excel as a strategic liaison bridging tech and non-tech communication gap.  Recognized for building cross-functional teams that deliver high impact results, Steve has a proven track record in wide-ranging enterprise projects implementing ERP, EPM, Salesforce, UCaaS, Virtualization, Information Security & Governance, Cloud Migration and M&A Integration.  Steve and ACS have the expertise to help you with the digital transformation projects that will take your organization to the next level. 


Dan Agnew

 With over 35 years in the business, Dan has been a technical leader with a strong engineering record of accomplishments and global experience with automotive products from the OE manufacturers, performance motorsports, off-road, and aftermarket industries.  He is an experienced team builder who has successfully created and then directed several engineering specialist groups having responsibility for injection molded and cast products from concept engineering to production manufacturing, and he has been the developer of not only critically acclaimed products, but also engineering methods and processes.  In addition, Dan is skilled with many aspects of design and computer 1-D and 3-D simulation for engine and vehicle performance.  Experience working in multi-cultural teams in Europe, Asia, and North America, and communicating with people at all levels, has made Dan knowledgeable and practiced with the commercial business aspects of engineering, sales, quote proposals, supplier development, and strategic planning to meet challenging program requirements.