Stephanie Slemer - Updated Dec 2023

Updated On September 28, 2023
Most Popular

Birth Sign

Stephanie Slemer

Stephanie Slemer is a sales representative of Tap Pharmaceuticals. Stephanie Slemer came to fame as the second wife of former MBL player, Mark McGwire.

Early Life

Stephanie Slemer was born in the year 1977 and is currently 46 years old (as of 2023). She was born in Illinois, USA, and has an elder sister, Julie Evans. Her parents’ names are Robert Slemer and Cindy Slemer.

Stephanie follows American nationality. However, Stephanie has not revealed other details like her zodiac sign, birthday, ethnicity, and about her family.


Talking about Stephanie’s education and academic background, she graduated with her degree in speech communication from Eastern Illinois in 1999.

Relationship Status

Stephanie Slemer is straight and is married to  Mark McGwire. The couple started dating after they met in St. Louise through a mutual friend. Stephanie and Mark got engaged in 2001.

Then, in 2002, the couple held a low-key wedding ceremony. She became a step-mom to Matthew who was the son of Mark and his former wife, Kathleen Hughes.

After 8 years, in 2010, God blessed the couple with triplets. They named the triplets as Monet Rose, Marlo Rose, and Monroe Rose. Later, Stephanie and Mark also welcomed two sons and named them Max McGwire and Mason McGwire.

Stephanie has been living with her family in their home in California happily.

Stephanie Slemer

Picture of Stephanie Slemer with her husband and kids. (Source: fame-shala)

Body Measurements

Talking about the personal details of Stephanie Slemer, she stands tall at a height of 68 inches and weighs about 57 kilograms. She has a fit body with her body measurements around 34-24-35.

Also, her hair color is blonde and she has brown pair of eyes.


Reflecting on Stephanie Slimer’s professional life and career, she joined the Alpha Gamma Delta sorority during her time in Charleston. Also, she worked at a local spot called Stu’s as a bartender.

Stephanie described in an interview in 2001 that she enjoyed her sorority and her job very much at that time. However, later on, she started working as a sales representative for Tap Pharmaceuticals.

While Stephanie was working as the Tap Pharmaceuticals sales representative, she met with Mark McGwire for the first time.

The couple did not meet directly by themselves but were introduced by a mutual friend in St. Louise. Right after, they started dating and after a year and a half, they got engaged.

Along with her husband and her family, she founded a non-profit foundation named Marl McGwire Children’s Foundation. The foundation helps sexually abused children to rehabilitate and overcome their trauma.

About Mark McGwire

Mark McGwire is a former MBL player and worked as a coach in a few of the teams till 2018. During his career in MBL, Mark won the World Series Championship as a player with Oakland (1989) and as a coach with St. Louis (2011).

However, in the first 10 years of his eligibility, he still has not made it into the National Baseball Hall of Fame.

Stephanie Slemer – Net Worth 2023

Stephanie Slemer lives a rich and happy lifestyle with her family. As a saleswoman, she must earn a decent amount of money. However, she has not disclosed her net worth yet. She can also rely on her husband as Mark earns $90 million as net worth.

Stephanie Slemer – Social Media

Regarding their social life Stephanie Slemer, and her husband have stayed away from social media platforms. Thus, both of them do not have any social media accounts.