Alumni Association District Leaders
Clarence Dass – Detroit, MI President
Clarence M. Dass is an Assistant Prosecuting Attorney at the Oakland County Prosecutor’s
Office, where he is a member of the Special Victims Unit.
After graduating from the Prep in 2003, Dass went on to college and then law school. During law
school, he began working with victims of child abuse and neglect at the Michigan Department of
the Attorney General. He became involved in several anti-crime initiatives, including working
toward preventing bullying and youth violence.
In 2010, he began his career at a small law firm in downtown Detroit, but it was not long until he
decided to return home to Oakland County and become a prosecutor. As a member of the Special
Victims Unit, Dass represents the People of the State of Michigan in matters involving domestic
violence, sexual assault, and child and elder abuse all over Oakland County.
He has his bachelor’s degree from Wayne State University and his law degree from The Ohio
State University Moritz College of Law.
Alex Leonowicz – Chicago, IL President
Alex Leonowicz graduated from St. Mary’s in 2004 and went on to attended Kalamazoo
College. While there, he played football for four years and obtained his BA in both Business and
Psychology.
After college, Leonowicz began clerking in the Oakland County Circuit Court for the Hon.
Steven N. Andrews and Hon. Shalina D. Kumar. He was an evening student at the University of
Detroit Mercy Law School where he served as President of his class and was a member of Law
Review.
He started with Howard & Howard PLLC in their Royal Oak offices before ultimately
transitioning to their Chicago office. Leonowicz is licensed in both the state of Michigan and
Illinois and focuses his practice on business and corporate law as well as commercial litigation.
Zach Stogdill – Chicago, IL Vice President
Zach Stogdill played varsity football at Orchard Lake and was an All-State Defensive Back on
the 2004-05 State Runners Up Team. He graduated from St. Mary’s in 2005 and went on to
Central Michigan University to play football.
Stogdill then transferred to Michigan State wanting to seek a better education. He graduated in
2010 with a Bachelor of Science Degree in the School of Planning, Design & Construction, and
now works as the National Product Manager for PEAK Antifreeze and Oil.
Nick Tootalian – Denver, CO President
Nick Tootalian is an associate at Smith & Cook, LLC, a general practice law firm in Littleton,
Colorado. In his position, he practices a variety of law, including family, criminal, personal
injury, contract, and property.
After graduating from OLSM Prep in 2005, Tootalian attended Michigan State where he studied
film and television production. He moved to Denver a short time after receiving his Bachelors
and began studying at The University of Denver Sturm College of Law.
As a law student, he balanced time between classes, interning at the Jefferson County District
Attorney’s Office, and participating in mock trial. Tootalian looks forward to building a
community of OLSM alumni in Denver.
Sean McGraw – Phoenix, AZ President
Sean McGraw is president and owner of Affordable Energy Solutions of Arizona, an alternative
energy company he launched in early 2010.
After graduating from St. Mary’s in 2006, McGraw moved to Arizona to study Business
Sustainability at Arizona State University. Toward the end of his college career, he won the 2011
Innovation Challenge, allowing him to start a sustainable business in Ghana, Africa.
Upon his return from Africa, McGraw began his professional career with the startup of his
business, Affordable Energy Solutions of Arizona. AES offers homes and businesses sustainable
solutions to reduce their energy consumption and, ultimately, use alternative clean energy. In
each of the first five years in business, AES has more than doubled in size and has done work for
Bass Pro Shops, US Foods, and CBRE, to name a few. McGraw is focused on making
Affordable Energy a national brand.
He also serves as the vice president of the Sun Devil Club Young Professionals, a group that
raised over one-million dollars for ASU athletics in 2014, and sits on the Efficiency First
Arizona chapter board.
Marshall Clayton – Los Angeles, CA President
Marshall Clayton graduated from St. Mary's in 2003, where he played four years of Lacrosse. He
spent one year at Western Michigan and decided he wanted to get out to the West Coast. He
attended two semesters at Scottsdale community college, worked 40 hours a week, and gained
residency in Arizona.
Clayton then transferred to Arizona State University where he played club lacrosse, making it to
the national tournament twice. He also connected with a few other St. Mary’s alums (Sean and
Sloan McGraw), and graduated in the fall of 2010.
After college, Clayton obtained a job with Randstand Technologies, a world-class organization
that specializes in IT Solutions/Services. It is a $26 billion company based in the Netherlands,
partnering with Fortune 500 companies like Microsoft, Kellogg’s, John Deere, McDonalds and
Hilton. He is now the company’s Director of Sales in the Los Angeles area.
Matthew Ziskie – San Francisco, CA President
Matthew Ziskie graduated from St. Mary’s in 2000.
He is responsible for the Global Travel Program at Airbnb. Prior to joining the company, he
served as the Head of Global Procurement at Box, the enterprise-collaboration software provider.
Before his career in the technology industry, he held various procurement and category
management responsibilities in the biotech sector, including roles at Onyx Pharmaceuticals and
Genentech in San Francisco, and at Basel-based, Roche.
Ziskie started his career as a Strategy Consultant at the Boston-based consultancy, The Asaba
Group, where he focused on supply chain design and efficiency for clients in the defense
industry. He holds a BA in History from Boston College, and is currently completing an MS in
Supply Chain Management at the University of San Diego.
He is currently serving a one-year term as the President of the San Francisco Chapter of the
Orchard Lake St. Mary's Preparatory, Alumni Association. In addition to his responsibilities at
Airbnb, Ziskie serves as an advisor for the London-based enterprise software company, Old St.
Labs. He resides in the Mission District of San Francisco with his wife Angela, daughter Eloise,
and pug Seamus. He can be found near a television screen anytime Chelsea FC has a match.
Anthony Alexander – Miami/Fort Lauderdale, FL President
Anthony Alexander graduated from St. Mary’s in 2005.
As the Director of Strategic Partnerships at Playwire, he advises artists, labels, content creators,
and publishers on how to use new technologies to build sustainable and profitable digital
ecosystems for their businesses. Prior to joining Playwire, he worked in artist management, label
services, and digital media sales.
As President and Co-Founder of Mango Music Management, Alexander has provided business
and tour management, marketing, and branding services for both independent and signed talent.
His business acumen and innovative perspective of the entertainment and tech industries have
been instrumental to the success of his artists and their ability to cross over from a “performer,”
to a “global brand” – J Boog, Morgan Heritage, Vaughn Anthony, The Resolvers.
By 2011, Alexander took over Midwest ad sales for Playwire Media, the largest collection of
gaming and entertainment publishers online. During that time, he oversaw digital media sales for
Playwire Media’s CPG, Automotive, and Movie & Entertainment business. Responsible for
planning and implementing high impact media execution across Playwire Media’s three
entertainment verticals, he was able to grow partner ad spending over 250%, and lead the
development of a brand new music vertical with recent partner Def Jam as the anchor.
Alexander briefly played football and lacrosse for the Spartans, and graduated from Michigan
State University with a BA in Communication.
John Wildern – Indianapolis, IN President
John Wildern graduated from St. Mary’s in 1995.
He is the Managing Director of Sales at North Coast Asset Management. Wildern began his
career in the securities industry with UBS PaineWebber, where he primarily worked with 401(k)
plans for the small business segment. He later managed a $700 million portfolio of both
individual and institutional client assets in Chicago, IL.
Wildern currently manages the intermediary sales division at North Coast. He holds a BS in
Economics from Hillsdale College and an MBA from the J.L. Kellogg School of Management at
Northwestern University.
Lawrence J. Nadrowski – Orlando, FL President
Larry Nadrowski graduated from St. Mary’s in 1961. He earned a BS in Chemistry from
Georgetown University in Washington, DC, studied Graduate Chemistry at Villanova
University, Pennsylvania, and obtained an MBA from Wayne State University in Detroit with a
double major in Management and Accounting.
Nadrowski held various positions in the business world, including: Process Development
Chemist, Chemical Marketing, Chemical Sales, Medical Sales, Financial and Systems consulting
with arguably one of the most respected consulting firms in the world, and assistant to the
President of a medical/chemical company with subsidiaries in five countries.
He lived in Philadelphia, Chicago, Detroit, Kansas City, and Ann Arbor before finally moving to
Central Florida in 1979 to launch his own consulting/financial planning firm. Nadrowski holds
seven professional designations, including CPA, PFS, CFP, CHFC, CASL, CEPA and RIA; five
security licenses and four insurance licenses.
This busy alumnus is happily married to Connie Nadrowski, a University of Michigan graduate.
She also has a number of professional designations and security and insurance licenses, and
helped build the business in Central Florida. They have three children -- Jason, Danielle, and
Drue, and four grandchildren, all making Central Florida their home.
Ed Martin Orlando, Florida Vice President
Ed Martin graduated from St. Mary’s in 1961.
Born Hamtramck, he attended and graduated from the University of Detroit in 1967 with a
Bachelor of Science degree and received a D.O. from Des Moines University, Des Moines, IA in
1971.
Martin then did his internship at Botsford General Hospital, Farmington, MI (1971). He began a
Radiology Residency at Flint Osteopathic Hospital in Flint, MI (1972-1975).
He practiced radiology in Michigan for 35 years before moving to Fort Pierce, FL in 2013. Ed is
married with four children and four grandchildren.