Athletic DNA

Athletic DNA, commonly abbreviated ADNA, is an American sports-apparel company focused specifically on tennis. The brand was founded in Seattle in 2007 by former University of Illinois tennis player Mike Calkins, former University of Idaho tennis player and New Zealand Davis Cup representative Dan Willman, and Karl Wiersholm, whose son Henrik Wiersholm was a nationally ranked junior player. Its origins were not in conventional apparel retail but in junior-player development. Calkins and Willman initially partnered to establish a tennis academy for young athletes. According to the company’s account, the academy produced four players who reached the No. 1 ranking in their respective competitive contexts within five years. The academy’s emphasis on discipline, work ethic, and character led Wiersholm to suggest turning its methods and identity into a broader brand. The name Athletic DNA expresses the founders’ belief that the academy was cultivating durable athletic and personal qualities in its players. The founders also identified a gap in the market: younger tennis players had relatively few apparel options designed specifically for their needs. Athletic DNA therefore began by creating clothing for junior players and supporting leading young competitors through sponsorships and discounts. The business subsequently expanded its product range to include adult tennis apparel and developed a presence among professional players on the ATP and WTA Tours. The company’s products are positioned around high-performance tennis use rather than traditional country-club styling. Early collections relied heavily on red, black, and white, while later releases introduced a wider range of colors and more assertive visual designs. Tops, bottoms, hoodies, and warm-up garments commonly carry the brand’s recognizable double-helix logo. The styling emphasizes mobility, comfort, and athletic identity, using brighter colors and bolder designs than the more conservative apparel traditionally associated with tennis. Player development remains central to Athletic DNA’s commercial and brand strategy. Its public Select Program has supported junior players, including athletes who meet ranking-based eligibility requirements, with apparel sponsorship or clothing discounts. The source material describes the program as including more than 200 junior players at one point and separately refers to a broader sponsored-junior population of more than 500; these figures appear to reflect different periods or program definitions and should not be treated as a current verified total. Athletic DNA has also sponsored professional and collegiate players, coaches, and teams. In 2013, it supplied apparel sponsorship to the United States Tennis Association Collegiate Team for the first time. Athletic DNA is therefore best understood as a specialist tennis-performance brand whose identity combines junior-player development, athlete sponsorship, and apparel design. Publicly available reference material provides limited information about its corporate ownership, financial performance, retail footprint, and current management structure. Its documented distinction lies in building a brand around the culture of competitive tennis and extending that culture from junior training into adult, collegiate, and professional competition.

Athletic DNA was established in Seattle in 2007 by Mike Calkins, Dan Willman, and Karl Wiersholm. Calkins and Willman had backgrounds as competitive college tennis players, while Willman had also represented New Zealand in Davis Cup competition. Before the apparel business existed, Calkins and Willman formed a junior-tennis academy. The academy’s purpose was to train young players, but its identity also emphasized character, discipline, and work ethic. The founders reported that the academy developed four No. 1-ranked players during its first five years. Karl Wiersholm became involved through his son Henrik, a nationally ranked junior tennis player. Wiersholm observed that the academy’s players appeared to develop unusually strong habits and character traits. He proposed applying a brand to the academy’s approach and to the young athletes associated with it. The expression “Athletic DNA” was chosen to suggest that athletic commitment and positive character had become embedded in the players’ identity. The founders also saw a commercial opportunity in the limited availability of apparel designed for youth tennis players. Athletic DNA began producing clothing for juniors and sponsoring leading young players. Its early business model consequently combined apparel development with player support rather than relying solely on conventional product distribution. The public Select Program allowed qualifying junior players to apply for sponsorship or discounted clothing. Reference material describes eligibility in connection with high junior rankings and reports that the program included more than 200 players at one stage. Other source language mentions more than 500 sponsored juniors, but the difference may reflect changing program sizes or different definitions of sponsored athletes. The company later broadened its range to serve adult players and developed a dedicated women's line, introduced in January 2012. Athletic DNA’s design language moved away from conservative tennis conventions. Early products leaned toward red, black, and white, while later collections used more varied colors and stronger graphic treatments. The double-helix logo became a central visual identifier. The garments included tops, bottoms, hoodies, and warm-up pieces, with an emphasis on athletic movement, comfort, and performance. As the company matured, its apparel appeared on professional tennis players competing on the ATP and WTA Tours. The documented sponsored and affiliated player list includes Lleyton Hewitt, Brian Baker, Alex Bogomolov Jr., James Duckworth, Lauren Embree, Evan King, Daniel Kosakowski, Grace Min, Dennis Nevolo, Rajeev Ram, Tennys Sandgren, Samuel Groth, Danielle Lao, Daniel Nguyen, Jesse Witten, and Derek Huang. Earlier sponsored professionals included Ryler DeHeart, Amer Delić, Peter Luczak, Robert Kendrick, Alun Jones, and Phillip Simmonds. The company also supported coaches, including Nick Fustar, Tim Mayotte, Brad Stine, Peter Smith, and Brian Wilson. In 2013, Athletic DNA expanded its institutional tennis sponsorships by supporting the United States Tennis Association Collegiate Team. The team included players such as Jarmere Jenkins, Dennis Novikov, Nicole Gibbs, and Lauren Embree, among others. This continued the brand’s progression from a Seattle junior academy initiative into a specialist apparel label visible in junior, collegiate, and professional competition. Available reference material does not establish a detailed ownership history, corporate restructuring record, financial profile, or independently verified current executive roster. The company’s documented history is primarily a story of tennis training evolving into youth-focused apparel, followed by expansion into adult, women's, collegiate, and professional tennis markets.

• 2013

  USTA Collegiate Team sponsorship begins

  [1]Athletic DNAen.wikipedia.org

  The brand sponsors the United States Tennis Association Collegiate Team for the first time.

• 2012

  Women's tennis apparel line launches

  [1]Athletic DNAen.wikipedia.org

  Athletic DNA introduces a women's tennis-apparel line, broadening its offering beyond junior and general tennis clothing.

• 2007

  Athletic DNA is founded in Seattle

  [1]Athletic DNAen.wikipedia.org

  Mike Calkins, Dan Willman, and Karl Wiersholm establish the tennis-focused company after the founders' junior-player academy creates the basis for the brand.

A tennis-specific performance-apparel brand centered on junior development, athlete sponsorship, comfort, mobility, and bold styling rather than traditional country-club aesthetics.

• Tennis apparel · 2007

  Junior tennis apparel

  Athletic DNA began by designing clothing for junior tennis players, responding to what its founders viewed as a shortage of youth-specific tennis apparel. The products were connected to the brand's academy and Select Program, through which qualifying young players could receive sponsorship support or apparel discounts. The junior range forms the foundation of the company's athlete-development identity.

• Tennis apparel

  Adult tennis apparel

  The brand expanded from youth clothing into apparel for adult tennis players. Its garments are described as performance-oriented, prioritizing movement and comfort while using brighter colors and bolder designs than traditional country-club tennis clothing. The range includes tops, bottoms, hoodies, and warm-up garments featuring the ADNA double-helix logo.

• Women's tennis apparel · 2012

  Women's tennis apparel line

  Introduced in January 2012, the women's line extended Athletic DNA's tennis-specific offering to a dedicated female-player segment. The line formed part of the company's broader move from junior-focused clothing toward a fuller apparel portfolio for recreational, competitive, and professional players.

• Athlete-development program

  ADNA Select Program

  The Select Program is a public-facing junior-player support initiative. Junior players meeting the program's stated ranking-related criteria could apply for sponsorship and clothing discounts. It reflects Athletic DNA's strategy of connecting product use with the development of competitive tennis players.

• 2013

  Extend sponsorship into collegiate tennisStrategy

  Background

  Athletic DNA had built its identity around supporting junior players and had expanded visibility through professional tennis sponsorships.

  Action taken

  The brand sponsored the United States Tennis Association Collegiate Team for the first time.

  Aftermath

  The sponsorship extended Athletic DNA's athlete-development and visibility strategy from junior and professional competition into collegiate tennis.

  Source

• 2012

  Expand into women's tennis apparelProduct launch

  Background

  After establishing a junior-focused apparel business and adding adult clothing, Athletic DNA sought to broaden its customer base within tennis.

  Action taken

  The company introduced a dedicated women's tennis-apparel line in January 2012.

  Aftermath

  The launch documented a move toward a more complete tennis-apparel portfolio, although detailed sales or distribution results are not available in the reference material.

  Source

1. 1Athletic DNAen.wikipedia.org