Greg Brennan - CEO

Greg Brennan

President and CEO

Greg Brennan has been working with enterprise startups and spin outs since beginning his career in the microelectronics industry nearly 35 years ago. After working with several initial ventures, including privately held Vitarel Microelectronics, a spinout from AVX, and Scrantom Engineering, Greg joined Apex Microtechnology.

In 1995, Greg supported a management led exit of the company's founder, and five years later he drove the private equity purchase of Apex by Alerion Capital Group based in Scottsdale, Arizona. In 2007, Greg was instrumental to Apex's sale of Apex to Cirrus Logic Inc, headquartered in Austin, Texas. Immediately following the acquisition, Greg was named Vice President and General Manager, and an officer of the Corporation. When the company opted to sell the APP division in 2012, Greg was called upon to ensure its successful exit and completed the sale in July of 2012 re-establishing Apex Microtechnology as a stand-alone entity.

Outside his role of President and CEO, Greg serves as director on boards of several corporations in healthcare and consumer market segments. Greg's undergraduate education started in the BSEE program at Purdue University and was completed with a BS in business.


Graham Hemmingson - Chief Financial Officer

Graham Hemmingson

Chief Financial Officer

Graham Hemmingson joined the Apex team in 2013 as a Finance Intern. He demonstrated a high understanding of cost accounting as well as implementing internal controls. He began taking on more responsibility while still in school and upon graduation joined Apex full-time as Financial Controller. In 2018, Graham was appointed CFO and now leads the Apex financial team.

Graham is a licensed Arizona CPA and holds a BSBA in Accounting as well as a Master of Accounting Degree from the Eller School of Business at the University of Arizona.






Jens Eltze - Director of Business Development

Jens Eltze

Director of Business Development

Jens Eltze is an accomplished marketing and engineering professional with proven ability to drive corporate direction and growth through new product promotion, global coordination, and hardware/software engineering support. He began his marketing prowess in the electronics industry in 1996 with NEC Electronics as an Application Engineer after which he transitioned into New Business Development where he combines his unique talents of technical and business expertise.

In 2012, Jens brought his unique skillset to Apex as Director of Strategic Marketing. Jens draws on his unique background in engineering and business to research and drive new product development in emerging markets. He directs and executes in-depth analyses of new target markets, including technical/market trends, SWOT analysis, value proposition, and return-of-investment (ROI) calculations.

Jens holds an MSEE in Electrical Engineering from the Karlsruhe Institute of Technology in Germany.


Jim Thompson - Director of Operations

Jim Thompson

Director of Operations

Jim Thompson began his career in 1987 as an electronics technician in the semiconductor industry. He quickly progressed to management and has continually increased his areas of responsibility and leadership in Operations. In the semiconductor industry, Jim has managed Test, Test Engineering, Assembly and Inventory Control Teams. In the Aerospace industry, Jim has managed Repair Station, servicing the Aerospace market.

Jim joined the Apex team in January of 2020 as Director of Operations. He brings Operations leadership and Lean Manufacturing skills to the Apex Team.

Jim holds an AS in Electronics from Eastern Arizona Community College, a BS in Business Administration from the University of Phoenix and a MA in Organizational Management from the University of Phoenix.


Tim Rosario - Director of Engineering

Timothy Rosario

Director of Engineering

Tim Rosario began his engineering career in 1996 with the National Science Foundation as a Research Engineer. Since then, he has obtained invaluable experience as a member of the engineering team at companies such as Raytheon, Cognex, Lucent, and Benthos. In 2006, Tim transitioned into an engineering management role at EFI leading a team of engineers and technicians. Most recently, Tim spent over a decade with FUJIFILM Dimatix driving product development and innovation.

Tim joined the Apex team in 2019 with nearly two decades of experience in engineering, product development, and program management. Tim draws on his extensive technical experience as he leads, mentors, and challenges the Apex engineers as Director of Engineering.

Tim holds a BSEE in Electrical Engineering and Computer Science from Norwich University. He also holds a graduate certificate from the University of Massachusetts Dartmouth in Computer Systems and Engineering. Most recently, he completed the Massachusetts Institute of Technology (MIT) Executive Education Program focused on Management, Innovation, and Technology.


Aaron Bondy - Global Sales Manager

Aaron Bondy

Global Sales Manager

Aaron Bondy joined the Apex team in 2014 through the Apex internship program where he demonstrated a high aptitude for technical sales and customer facing communication. Upon graduation, Aaron joined Apex as a member of Inside Sales supporting the company's customer base.

In 2016, Aaron increased his responsibility within Apex, transitioning into the role of Regional Sales Management where he continued his efforts to drive Apex's domestic sales growth while providing direct management of Apex strategic accounts.

As Global Sales Manager, Aaron leads Apex's sales channel providing guidance on long-term strategic sales initiatives fostering Apex's leadership in the global power analog marketspace, while also managing its team of application engineers, customer service, and marketing communication team members to provide superior technical and sales support.

Aaron rounds out this position through skill and experience to carry forward Apex's of best-in class excellence, providing solutions to our customers' complex power analog challenges, enabling the development of novel and industry leading technologies.

Aaron holds a BSBA in Business Management from the Eller School of Business at the University of Arizona.


Anna Bernstein - Quality Manager

Anna Bernstein

Quality Manager

Anna Bernstein joined the Apex team in 2013 as a Quality Intern. She quickly established herself by implementing procedures and delivering quality services while simultaneously pursuing dual degrees in applied mathematics and engineering management. Upon graduation she began driving the Apex Quality Management position full-time.

Anna is responsible for creating and updating manufacturing and operations procedures ensuring Apex's consistent track-record of best-in-class quality products.

Anna holds a BA in Applied Mathematics and a BS in Engineering Management from the University of Arizona.





Stephanie Romo - Human Resources Manager

Stephanie Romo

Human Resources Manager

Stephanie Romo began her career in HR with Apex in 2015, where her aptitude for HR development and team-member support allowed her to quickly progress to HR Generalist. In 2018, Stephanie became a Certified Professional through the Society of Human Resource Management, demonstrating her proficiency in all areas of HR. Shortly thereafter, she was promoted to HR Manager, where she has been instrumental in furthering diversity and inclusion within Apex. She supports the Apex team through her role as a liaison between the executive team and team members, driving the functions of benefits and policy administration, team member relations, and managerial training.

Stephanie's focus is on continuously improving the culture of the company and keeping the workforce engaged, positively affecting the team member's experience and overall success of the organization. She also holds a BSBA in Business Management from the Eller School of Business at the University of Arizona.


Broderick Krager - Fellow of Analog Design

Broderick Krager

Associate Fellow

Broderick Krager began his electronics career with Apex Microtechnology in 2015 as an Applications Engineering Intern. Having proved his talent in the field, he went on to become an Applications Engineer, where he demonstrated exceptional technical ability and continuous drive for success. As the organization recognized these broader talents in the aggregate he excelled as Apex's associate Fellow under the tutelage of Kirby Gaulin, Apex's retired Fellow, driving Apex's overall product offerings.

Broderick provides technical guidance to Strategic Marketing, Sales, and Application Engineering teams driving not only improvements to existing products, but its technical prowess overall.

Broderick holds a BS in Electrical Engineering and a BS in Mechanical Engineering from the University of Arizona. In his free time, Broderick builds and designs mechanical cosplays of various sci-fi characters utilizing his knowledge of creative design and analog skills.