About DK

Dr. William W. Clark is the Co-Founder of Diamond Kinetics. He has been an active researcher and innovator in the field of dynamic systems and control for over 25 years, and is currently Professor of Mechanical Engineering and Materials Science at the University of Pittsburgh. 

His research has focused on sensors and actuators, smart materials and structures, energy harvesting and mechatronics, and he has written over 100 technical papers on these subjects.

A native of Northern Virginia, Dr. Clark also holds a Bachelor of Science and Master of Science in Mechanical Engineering from Virginia Tech.

C.J. is the Co-Founder and CEO of Diamond Kinetics.  He is responsible for leading commercialization efforts of all products and applications, as well as guiding the overall vision and strategy for the company. 

Prior to Diamond Kinetics, C.J. served as director of an early stage technology commercialization program at the University of Pittsburgh.  C.J. serves on the advisory boards of several Pittsburgh start up companies and is actively involved with several local non-profit organizations.  

A native of Greenville, N.C., C.J. holds a B.S. from North Carolina State University and a MBA from the University of Pittsburgh’s Joseph M. Katz Graduate School of Business.

As Chief Commercial Officer, Jeff Schuldt is responsible for overall commercial strategy, creating an enduring brand, delighting customers, driving revenue growth and creating valuable strategic partnerships.

Prior to joining Diamond Kinetics Jeff founded and served as Principal of Sixth Gear Partners, a firm that specialized in helping increase the growth trajectory of early-stage to mid-size companies in the consumer goods, technology and healthcare markets.

Prior to that, Jeff spent over 20 years in the consumer goods industry at GlaxoSmithKline Consumer Healthcare where he held numerous leadership positions in sales, brand marketing, and business development. Jeff has served on the advisory boards of several early-stage companies and informally advises a number of start-up enterprises.

A native of St. Louis, MO, Jeff holds a Bachelor of Science in Business Administration from the University of Missouri.

Mike Ressler is the Chief Technical Officer at Diamond Kinetics where he is responsible for the design, implementation, and technical direction of all of Diamond Kinetics products and offerings.

Prior to joining Diamond Kinetics, he was the Founder and CEO of StatEasy, a sports statistics and video company that made searching inside of game video a breeze.  Mike is also on the board of Community Human Services, a local non-profit that believes that everyone has value and should have a place to call home.

A native of East Brunswick, New Jersey (“Go Bears!”), Mike holds a Bachelor of Science in Computer Science from Carnegie Mellon University.

Prior to Diamond Kinetics, Larry has specialized in helping tech ventures pursue their business strategies and achieve their growth goals through financing strategies, technology innovation, operational excellence and corporate development.

He brings over 30 years’ experience as a successful executive technology entrepreneur, having served as a C-Level leader, executive manager, founder, and strategic planner & adviser, board member, and angel & venture investor.

In these positions Larry demonstrated expert level strategic planning and corporate development skills as founder and CEO of several successful technology ventures, as well as being strategic adviser, investor, and board member at many more companies. In these roles he excelled at building high performance teams, launched numerous successful products, closed a considerable amount of return in financing and acquisition transactions, and achieved multiple successful exits.

Larry co-invented Patent Number 7266805 – Systems and Methods for Generating Software and Hardware Builds.

Larry has also served as judge, adviser, mentor and coach at dozens of business plan development and pitch competitions.

Dr. Minmin Zhang serves as Diamond Kinetics’ lead Mechanical Engineer after recently graduating from the University of Pittsburgh with Ph.D. in Mechanical Engineering. While at Pitt, Dr. Zhang’s research centered on developing multi-inertial sensor human sports motion analysis system.

He also has over four years of experience on vehicle powertrain dynamics and control. In his eyes, the human body is a well-designed, complex machine. Dr. Zhang enjoys applying dynamics and control knowledge to analyze human sports motion.

A native of China, Dr. Zhang also holds a Bachelor of Science and Master of Science in Mechanical Engineering from Shanghai Jiaotong University.

As the Customer Experience Manager, Ed is responsible for the continued delight of Diamond Kinetics’ customers and the strengthening of partner relationships.  

Prior to joining Diamond Kinetics, Ed worked at BNY Mellon as an operations analyst and also started a small business creating virtual golf leagues which was fueled by his avid addiction to the game.  When not working with Diamond Kinetics’ customers and partners, Ed is likely searching for his golf ball in thick rough, trees or sand traps.

A Pittsburgh native, Ed earned a Bachelor of Science in Economics and a certificate in Latin American Studies from the University of Pittsburgh.

Jeremy is a Mechanical Engineer for Diamond Kinetics, focusing on the development and advancement of next generation firmware and hardware. With his background in mechanical design and mechatronic systems he leads the design of sensors from firmware to plastics.

After graduating in the spring of 2015 from the University of Pittsburgh, Jeremy began his career with Diamond Kinetics through an internship, eventually joining the DK team full time. When not at work you will likely find Jeremy in one of Pittsburgh’s many parks where he likes to run and bike in his free time.

As a Business Development Manager for Diamond Kinetics, Casey focuses on driving customer acquisition and revenue generation, as well as extending and maintaining relationships with regional and national partners-specifically in the Northeast and Mid-Atlantic.

Prior to Diamond Kinetics, Casey has been a sales rep for Under Armour and Sporcle Inc. He has spent time as a coach for All-Star Baseball Academy in the Philadelphia area and All-American Baseball Center in Trafford, PA.

A graduate from the University of Pittsburgh, Casey played in over 200 games for the Panthers garnering All-American Honors in 2013 as well as being named a 2013 District I Collegiate Player of the Year by the NCBWA. Roche was twice named to the All-Big East Academic Team and was honored with the Senior of Distinction Award by the University of Pittsburgh Athletic Department.

As the Manager of E-Commerce and Logistics, Matt is responsible for all of Diamond Kinetics’ E-Commerce channels, platforms and logistics with the ultimate goal of ensuring every DK product ends up in the hands of the customer.

Matt recently graduated from Duquesne University where he earned a Bachelor of Science in Marketing with a minor in Sports Marketing. He began working with Diamond Kinetics as an intern while still in school and joined the company full-time upon graduation.

A native of Western Pennsylvania, Matt enjoys recreational league sports and outdoor activities with friends during his free time.

As a Business Development Manager for Diamond Kinetics, J.D. focuses on driving customer acquisition and revenue generation, as well as extending and maintaining relationships with regional and national partners-specifically in the Southeast.-

Prior to Diamond Kinetics, J.D. has been a sales pro for BSN Sports. He also started the baseball program while teaching marketing and computers at Cox Mill High School in Concord, NC.

In four years as the Varsity Head Coach, Cox Mill made the state playoffs three years, while also winning their first SPC Conference Tournament Championship during that span. 

A graduate from St. Andrews University, J.D. was a starter in the infield during his four-year career. He was elected as Team Captain for the 2001 and 2002 seasons, was a three-time CVAC All-Conference performer and South Atlantic All-Region performer in 2002. 

J.D. holds eight SAU school offensive records, including most career hits, most career extra base hits, most career doubles, most single season hits, most single season doubles, most career at-bats, longest single season hitting streak and most career RBI’s.

After college, he played two seasons of professional baseball in the Independent Frontier League.

J.D. currently resides in Charlotte, N.C. with his wife Melissa. 

Justin Ridgell is Diamond Kinetics’ Business Development Manager for the Midwest.

Residing in Chicago, he is focused on integrating Diamond Kinetics’ revolutionary training tools within high school, travel, and collegiate programs.

Justin is a die-hard Chicago sports fan with a passion for the Cubs. His passion for baseball combined with his entrepreneurial spirit and drive makes him a great Diamond Kinetic resource.

Tom Martin is a Mobile Sports Application Developer at Diamond Kinetics. As a mobile developer, Tom works with the rest of the development team to implement SwingTracker and the rest of the family of Diamond Kinetics apps. 

Tom joined the Diamond Kinetics team after graduating from Messiah College in the spring of 2017 with degrees in Computer & Information Science and Engineering. In his free time, Tom enjoys playing recreational sports and going for runs.

As a Business Development Manager for Diamond Kinetics, Kyle focuses on driving customer acquisition and revenue generation, as well as extending and maintaining relationships with regional and national partners, specifically in the western region of the country.

Prior to Diamond Kinetics, Kyle was a Staffing Manager for Randstad, a $24 billion dollar company that specializes in temporary staffing for businesses.

Prior to Randstad, Kyle was the Pitching Coach and Recruiting Coordinator for Gavilan College in Northern California for 7 years where he helped lead the Rams to a conference title in 2015 after not making the playoffs for over 35 years.

While at Gavilan College, Kyle also ran a successful seasonal travel baseball organization called the Gavilan Hornets.

The program grew from 12 players to almost 100 in three years and enhanced the entire South Bay Area’s baseball/softball landscape.

A graduate from Western Oregon University, Kyle was a left handed pitcher during his two-year career, while helping the Wolves win their 11th and 12th straight conference titles.

Prior to accepting his scholarship to WOU, he was an all-conference pitcher at San Jose City College for two seasons.

Kyle holds a Major in Business Administration with a Minor in Sports Management. He resides in the San Fernando Valley with his girlfriend Rachel and his dog Cooper(stown).

As a Customer Experience Representative, Alyssa helps customers solve their inquiries and questions on a daily basis, while making sure that they find a positive and easy solution to any issues that arise.

Growing up in a baseball/softball family just north of Pittsburgh, Alyssa was a four year letter winner in high school.

Alyssa continued her softball career at Virginia Tech, where she was a catcher on the Hokies squad, before finishing as a student manager responsible for the video and technology aspects of the team as well as organizing and helping run camps and clinics.

Alyssa graduated from Virginia Tech with a Bachelors of Science in Sociology.

As a UI/UX Engineer, Eric is responsible for developing and improving upon the user interfaces and experiences across the family of Diamond Kinetics applications.

He strives to make the apps simple to use for players and coaches across all competition levels.

Eric joined the Diamond Kinetics team in July of 2018 after spending a few years in both the Education and Healthcare fields as an application developer for various platforms.

In addition, Eric was also a starting pitcher at Mercyhurst University from 2005-2009 and still plays locally in the Pittsburgh NABA.

David Heidenreich joins Diamond Kinetics as the Director of Marketing, bringing nearly 20 years of high-level marketing experience and strategic thinking in the areas of digital space, web development, paid media, and social media.

Prior to assuming the role at Diamond Kinetics, Heidenreich worked extensively in the interactive marketing space for over 15 years, focusing in the consumer packaged goods, retail, higher education, and travel & tourism verticals.

He spent nearly 11 years at Smith Brothers Agency, one of Pittsburgh’s most distinguished ad agencies, as both Director of Interactive Strategy before becoming VP of Engagement.

A lifelong Pittsburgh native, David graduated from the University of Pittsburgh with a B.A. in Environmental Planning and Ohio University with a M.A. in Geographic Information Systems.

In his spare time he enjoys listening to yacht rock, snow skiing, a cold beer (or four) and watching Pitt Panthers and Steelers football.

He currently lives in Mount Lebanon with his wife Tara and their three children.

Nick Colesar is the Digital Marketing Content Creator at Diamond Kinetics where he is responsible for ideating and creating content and digital assets in support of Diamond Kinetics’ overall marketing and partner marketing strategies.

He brings over 10 years of design experience to DK. Prior to joining Diamond Kinetics, Nick spent five years as a Production Artist and later a Digital Designer for Dick’s Sporting Goods.

A native of Central Pennsylvania, Nick holds a Bachelor of Science in Media Arts and Animation from The Art Institute of Pittsburgh.

Jon Drokin is the Director of Product at Diamond Kinetics where he is responsible for the design of DK product experiences.

Prior to joining Diamond Kinetics, Jon was a product leader for a successful sensor technology and computer vision company.  A native of Youngstown, Ohio, Jon holds a Bachelor of Science in Business Administration from Geneva College where he played baseball for the Golden Tornadoes.

A lifelong Cleveland sports fan, Jon was once briefly considered for the Browns head coaching position, but decided he would prefer to spend his time at home with his wife and three daughters.

As a member of the Customer Experience team, Jenna manages the manual testing efforts across all products to ensure a great user experience, while also supporting end users through our support channels.

Prior to joining Diamond Kinetics, Jenna led business development efforts for a boutique digital agency in Minneapolis for over 6 years. A native of Minnesota, Jenna graduated from Gustavus Adolphus College with a Business Management degree and was also captain of the Golden Gusties women’s hockey team.

When not helping customers at Diamond Kinetics, you can find Jenna biking, reading, or playing for the USA women’s bandy team (you’ll have to Google it!).

As a mobile software engineer, Bryan assists in building the family of Diamond Kinetics apps with specific focus on testability and maintainability for the other developers, and usability for our customers.

A software developer, educator, and former astrophysics researcher from Greensboro, North Carolina, Bryan started pursuing Computer Science while he was at the University of Pittsburgh’s physics department doing research on Fast Radio Bursts-mysterious signals of unknown origin in space.

He’s been building mobile apps for two years now which include a dating app, a calculus solutions generator, and Diamond Kinetics’ library of mobile applications.

When he’s not engaged with code, he works on his illustration skills, dances, and trains in Brazilian Jiu Jitsu.

Heather Rak is the Controller at Diamond Kinetics. She is responsible for general accounting procedures, financial reporting and overall financial system development and management for the company.

Heather brings over 18 years of combined accounting experience from the public and corporate sectors. 

During her years in public accounting, her practice concentrated on corporate and individual tax return preparation, compilations and auditing for profit and not-for-profit organizations.   

Her years in corporate accounting focused on all aspects of the company’s financial operations, implementing organizational structure and policies and procedures to ensure accurate financial reporting. 

Heather graduated in 2001 from Wheeling Jesuit University with a Bachelor of Science degree in Accounting and in 2005 with a Master of Science degree in Accountancy. 

In her free time, she enjoys traveling, being outdoors and watching her kids play soccer and football. Heather resides in Wexford with her husband, Matt, and their two children.