Question: What Victoria's Secret Angel did Anna Kaiser personal train?

Context paragraphs:
Marisa Miller: Marisa Lee Miller (née Bertetta; born August 6, 1978) is an American model and actress best known for her appearances in the "Sports Illustrated Swimsuit Issue" and her work for Victoria's Secret.  After a stint shooting with photographer Mario Testino for fashion magazines such as "Vogue", Miller began working for both companies in 2002.  In 2007, she became a Victoria's Secret Angel, and appeared on the cover of the 2008 "Sports Illustrated" Swimsuit Issue to record-setting numbers.  Her accomplishments have led to her being dubbed the "return of the great American supermodel."

Anna Kaiser: Anna Kaiser is an American fitness professional, choreographer, and entrepreneur.  In 2016 and 2017, "Greatist" named Kaiser one of the 100 Most Inﬂuential People in Health & Fitness.  She is the personal trainer of Kelly Ripa, Shakira, Karlie Kloss, Hilary Duff, and Sarah Jessica Parker.

Adriana Lima: Adriana Lima (] ; born June 12, 1981) is a Brazilian supermodel and actress, best known as a Victoria's Secret Angel since 1999 (being their longest-running model and named "the most valuable Victoria's Secret Angel" in 2017), as a spokesmodel for Maybelline cosmetics since 2003 and for her Super Bowl and Kia Motors commercials.  At the age of 15, Lima won Ford's "Supermodel of Brazil" competition, and took second place the following year in the Ford "Supermodel of the World" competition before signing with Elite Model Management in New York City.

Karlie Kloss: Karlie Elizabeth Kloss (born August 3, 1992) is an American fashion model and entrepreneur.  She was a Victoria's Secret Angel from 2011 to 2014.

Martha Hunt: Martha Seifert Hunt (born April 27, 1989) is an American fashion model, who walked the Victoria's Secret Fashion Show in 2013, 2014, and 2015.  Hunt has been a Victoria's Secret Angel since 2015.

Taylor Hill (model): Taylor Marie Hill (born March 5, 1996) is an American fashion model and current Victoria's Secret Angel since 2015.  She is also the youngest Victoria's Secret Angel.

Jana Tepe: Jana Tepe is a German entrepreneur, the co-founder (with Anna Kaiser) and CEO of Tandemploy, a German job-sharing platform.

Behati Prinsloo: Behati Prinsloo ( ; ] ; born 16 May 1989) is a Namibian model.  In 2008, she became the first Victoria's Secret PINK contract model, and moved on to become a Victoria's Secret Angel in 2009.  She has walked in nine consecutive Victoria's Secret Fashion Shows (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, and 2015).  She has opened two Victoria's Secret Fashion Shows in a row (2014 and 2015).  The video of Behati finding out she is opening her second Victoria's Secret Fashion Show in a row has over one million views on YouTube.

Elsa Hosk: Elsa Anna Sofie Hosk (born 7 November 1988) is a Swedish model and current Victoria's Secret Angel, who has worked for a number of leading brands including Dior, Dolce & Gabbana, Free People, Ungaro, H&M, Anna Sui, Lilly Pulitzer and Guess.  She modeled for Victoria's Secret, appearing in the brand's annual fashion show in 2011, 2012, 2013, 2014, 2015 and 2016.  She has also appeared in many of the brand's campaigns, especially for the sub-division PINK In 2015, she was announced as one of 10 new Victoria's Secret Angels.

AKT InMotion: AKT InMotion is a New York City-based fitness company rooted in the functional training technique developed by international fitness expert, Anna Kaiser.  Founded in 2013, the AKT program consists of a mixture of circuit training, HIIT, strength, toning, dance cardio, Pilates and yoga.

Supporting paragraphs: Anna Kaiser Karlie Kloss
Answer: Karlie Elizabeth Kloss