P: 1.800.726.5029
4602 N. 16th Street Suite 300, Phoenix, AZ 85016

Innovation Team

MaryAnn Guerra

President and Chief Executive Officer

Our President and Chief Executive Officer MaryAnn Guerra has a career-long passion for bringing technology to market, accelerating innovation from the lab into commercial businesses and providing an incomparable client experience. As co-founder of Aesthetics Biomedical, she understands the importance of designing experiences that create results. As a client of her own company, she values the opportunity to feel her very best at any age using leading-edge, FDA-cleared technology and treatment serums and recovery agents that truly make a difference. It is her privilege to advance these innovations through a network of respected doctors and med spas to make an impact on the battle against aging for men and women.

Guerra is tireless in her perpetual pursuit of perfection and her never-ending quest to turn innovation into results.

Guerra also serves as Chairman of the Board, CEO, and co-founder of BioAccel, a non-profit organization with the mission to turn medical device breakthroughs into successful commercial ventures. Guerra has spent much of her career operating successful and progressive health, science, technology and start-up businesses. Guerra served as President of TGen Accelerators, LLC and Chief Operating Officer at TGen. Guerra has also had an impressive career at the National Institutes of Health, having held senior level positions, including: Executive Officer, National Heart Lung and Blood Institute and Deputy Director of Management & Executive Officer at the National Cancer Institute.

Her never-ending quest to challenge her team, question the status quo and pursue innovation with an eye for making a difference at the highest level of quality is what drives her every day.

Todd Rethemeier

Chief Financial Officer

Todd Rethemeier, brings more than two decades of financial experience to ABM, focusing on innovative technologies and disruptive business models.

Rethemeier started his career in management consulting at Booz-Allen & Hamilton, where he traveled the world advising telecommunications and media companies on business and marketing strategy, capital budgeting, and financial impacts of changing regulations. He then spent several years as an equity research analyst covering technology and telecommunications companies at major Wall Street firms, including Bank of America, JP Morgan, and Bear Stearns. After years of following other innovative companies as they disrupted industries, Rethemeier started his own equity research company, and spent much of the next decade on the forefront of the independent research movement on Wall Street. Most recently, he had been providing consulting and CFO services to startup businesses in the technology industry before joining Aesthetics Biomedical.

Rethemeier has been recognized by many publications as a leading Wall Street analyst, being named to the Wall Street Journal’s “Best on the Street” ranking three times, as well as similar awards from the Financial Times, Forbes and Institutional Investor. He holds a Bachelor of Science and Masters degree in Operations Research & Industrial Engineering, and an MBA, all from Cornell University.

Tim Duggins

Chief Regulatory Officer

Gaining regulatory clearance is a significant asset in the aesthetics innovation industry, and ABM is pleased to make available an industry expert with extraordinary respect from his peers to support your business. Tim Duggins is a regulatory compliance and quality management system expert, who has demonstrated superior business acumen and a record of success for more than 30 years. He has hands-on experience designing, implementing, maintaining and continually improving regulatory and quality management processes with a focus on speed to market, inherently safe design and fiscal responsibility. Duggins has extensive experience in preclinical testing plan development, clinical trial design/approval/management/reporting, third-party testing and many market-access procedures including FDA, CE, Health Canada, Japan and similar jurisdictions.

Duggins is a highly sought out expert, widely recognized as THE person to represent corporate interests in discussions with regulatory officials; inspectors, notified body assessors or key customers. Duggins’ authoritative expertise, reassuring demeanor, problem-solving assets and superior negotiating skills make him best aligned to achieve favorable outcomes. Duggins’ experience spans the medical spectrum from high-volume, lost-cost injection molded parts, microneedling devices, lasers, software, drug/device combinations, blood and blood products, to tissues for transplantation and long-term implantable devices.

Tim Shanahan

Vice President of Sales
P: 1-800-726-5029

Tim Shanahan’s career is highlighted by 25 years of executive management, sales, marketing and master global distribution experience within the medical sales industry. He has consulted for numerous entities including Lumenis Ltd. and Fotona regarding medical aesthetic selling, marketing, training, revenue generation, distribution and expanding business opportunities through venture capital alliances and acquisition partnering.

His recent experiences include: Vice President of Sales for BiO2, a cosmeceutical wound healing manufacturer of Proven ScarRelief® and Amino-Plex®, CEO of Revenue Cure Inc., an aesthetic brokerage where he achieved the distribution for BiO2 with Omni Bioceutical Innovations and consulted for Viora and EpiMedica Inc.

Shanahan is passionate about innovation would be well matched to his distribution and marketing expertise. He is unstoppable in his commitment to his clients, presenting the right device, with the right treatment serums, with the right recovery system at the right time. He knows a dedication to excellence will translate into increased revenue and success for his clients.

Todd Davis

Board of Director