Management Team

Mr. Londoner is a capital markets and capital architecture expert and a senior life science executive. Having started his career as a research analyst for J. & W. Seligman & Co., Inc., a leading institutional money management firm in New York City, NY, he quickly found himself at the forefront of the biotech industry in the early 1990s, leading him to manage $3.5 billion in mutual and pension funds and international assets.

His passion for medical innovation led him to co-found, govern and bring to the public market several life science companies, including BioSig Technologies, Inc. [NASDAQ: BSGM]. Working in close collaboration with key opinion leaders in electrophysiology, BioSig aims to improve the outcomes of cardiac ablations for the treatment of arrhythmias through novel technological solutions developed by the company and further apply its core competency in advanced biomedical signal processing and analysis to other areas of medicine.

His prior experience in recognizing the early potential of biotech led Londoner to for the Alliance for Advancing Bioelectronic Medicine, an independent non-profit network of professionals dedicated to innovation at the intersection of healthcare and technology. The Alliance aims to increase awareness of bioelectronic medicine and build a platform for collaboration among stakeholders. Over the last decade, Londoner formed top-level relationships with several medical centers of excellence such as Mayo Clinic, NYU Langone Hospital, and UCLA, as well as other stakeholders, including investment communities, intellectual property experts, and supply chain partners.

Mr. Londoner earned his BA in Economics from Lafayette College in 1989, and his Master of Business Administration in Management and Finance from New York University in 1994. Between 1999-2002, he served as an adjunct professor at the Columbia Business School. Additionally, in 2015, Mr. Londoner founded the Immersive Internship Program at Lafayette College.

Mr. Buhaly has over 15 years of CFO experience at three public U.S. companies. In 2007, he served as CFO to TriQuint Semiconductor who merged with RF Micro Devices, Inc. in a $4 billion merger agreement to form Qorvo in 2015. A world leader in innovative RF and power technologies, Qorvo grew into an $11 billion market capitalization during Mr. Buhaly’s tenure. Prior to TriQuint, Mr. Buhaly served as CFO of Longview Fibre where he played a key role in executing the $2.3 billion sale of the company. Earlier in his career, he held both chief operating officer and chief financial officer roles with electronic display company, Planar Systems.  

Throughout his career, Mr. Buhaly has developed a strong cross-functional background in corporate finance, accounting, tax, IT, law, and investor relations. Having co-led strategic transactions resulting in over $2 billion in M&A transactions, he has helped companies raise $1 billion in the debt markets and was recognized for his leadership during TriQuint's massive growth trajectory. Since 2018, Mr. Buhaly has served as an advisor to multiple early-stage and small businesses and currently consults for cancer treatment innovator, UbiVac.

Mr. Buhaly holds an MBA from the University of Washington.

Mr. Fleming brings to the Company over 20 years in the healthcare industry, including 17 years at Abbott Laboratories and St. Jude Medical. During his tenure with Abbott, Mr. Fleming held several commercial leadership positions, including Vice President of Cardiac Sales, when he led sales and customer relationship management activities in some of the most significant strategic areas of focus. Mr. Fleming’s experience in delivering high-performing sales management initiatives led to substantial revenue growth with several key accomplishments, including the successful contracting of multiple leading IDN and GPO organizations. These initiatives resulted in some of the largest market share gains in the company’s history while also delivering substantial overhauls of historically underperforming regions throughout the Central Time Zone. Most recently, Mr. Fleming held the position of Chief Commercial Officer at Carecubes, a company created to provide a temporary and scalable negative pressure isolation technology solution based upon original joint request from the Defense Advanced Research Projects Agency (DARPA) and Centers for Disease Control and Prevention (CDC). Mr. Fleming holds a Bachelor of Business Administration degree with a Major in Marketing from Stephen F. Austin State University in Texas and a certificate in Leadership in Excellence and Development (LEAD) Program from the University of Texas.

Mr. Sieckhaus brings to the Company 30 years in the healthcare industry, including 21 years at St. Jude Medical and Abbott Laboratories [NYSE: ABT]. During his tenure with St. Jude Medical, Mr. Sieckhaus held commercial leadership positions of rising responsibility, including U.S. National Sales Leader, Senior Vice President & General Manager when he led sales and customer relationship management activities in the United States across all cardiovascular product lines.   Mr. Sieckhaus's experience in building and leading high-performance teams, in addition to integrating multiple new and novel technologies and introducing them commercially, led to significant revenue growth for St. Jude Medical over his career. Most recently, Mr. Sieckhaus held the position of Vice President – Field Clinical Affairs for Abbott for the United States and CALA, where he created a world-class field clinical and monitoring team to support clinical trials across multiple business units within Abbott's Cardiovascular portfolio. Mr. Sieckhaus holds a Bachelor of Science degree in Biomedical Engineering from Johns Hopkins University.

A seasoned executive, Ms. Castrodad brings a wealth of experience in leading organizational development in start-ups and Fortune 500 companies within the life sciences sector. Most recently, Ms. Castrodad led the HR department at TissueTech, Inc., a Miami, FL-based biotech leader in regenerative amniotic tissue-based products, where she was responsible for transformation and automation of the company’s HR practices, talent planning, and team building. Prior to TissueTech, Inc., Ms. Castrodad spent six years at HeartWare, Inc., a heart failure medtech company acquired by Medtronic [NYSE:MDT] in 2016 for $1.1 billion. By optimizing the internal talent acquisition function and aligning business practices, Ms. Castrodad helped grow the organization from approx. 80 to 500+ staff which achieved approx. $250 million in revenues before the acquisition. Earlier in her career, Ms. Castrodad spent 16 years at Schering-Plough Corp, a pharmaceutical company acquired in 2009 for $41.1 billion by Merck & Co. [NYSE:MRK]. Ms. Castrodad holds a Master’s Degree in Public Administration and a Bachelor’s Degree in Social Sciences – Human Welfare from the University of Puerto Rico and a Labor Relations Certificate from the University of Michigan.

Mr. Ballou brings to BioSig over 25 years of experience in capital markets, including institutional equity sales and research analysis. Most recently, Mr. Ballou served as Managing Director, Head of Institutional Equity Sales at Janney Montgomery Scott LLC., a role in which he oversaw key accounts, including large multi-manager hedge funds, mutual funds and dedicated sector funds. Prior to that role Mr. Ballou managed selected key account coverage at RBC Capital Markets, including Millennium Partners, Soros Fund Management, SIR Capital, Columbia Threadneedle, Two Sigma Investments and Times Square Capital Management. During the course of his career Mr. Ballou analyzed various private and public companies in healthcare, media and retail sectors. Mr. Ballou graduated from Hampden-Sydney College, Virginia, with a Bachelor of Arts in English.

Ms. Freshwater brings over 20 years of sales and marketing experience in healthcare and technology, including senior positions at several leading medtech companies such as Cardinal Health, Medtronic, and Kimberly-Clark Healthcare.  During her tenure at Cardinal Health, Ms. Freshwater served as Senior Director of Digital Marketing, e-Commerce, and Brand where she oversaw the development of marketing tech strategy and a team of 20+ digital marketers, content creators, and paid media strategists. More recently, Ms. Freshwater founded FRESH20 Consulting, where she has served as Senior Consultant providing independent marketing services and modern sales solutions for businesses ranging from early state startup-ups to large corporations. 

At BioSig, Ms. Freshwater will work directly with all facets of the company on development, implementation, and management of the Company’s strategic and tactical marketing activities. She is responsible for developing and delivering a fully integrated marketing strategy, to include MarTech and MarCom functions. In addition, Mrs. Freshwater will support the Company’s brand visibility across print and digital media through best-in-class tailored approaches that drive sustainable growth for the business. 

Ms. Freshwater holds a bachelor’s degree in business administration from the University of Denver and an MBA from Baylor University.

Zachary Koch brings over 20 years of experience in clinical strategy and sales in electrophysiology and cardiovascular devices. Mr. Koch joins BioSig’s leadership following a 16-year tenure at Abbott and St. Jude Medical, where he held numerous positions across the company’s clinical, sales, training, and commercial teams. Mr. Koch has personally supported over 5000 cardiac mapping procedures, and has created and lead several advanced training and education initiatives for St Jude Medical and Abbott EP. More recently, within his role as Manager of Strategic EP Clinical Development, Mr. Koch successfully founded and launched the Key Accounts Organization for Abbott EP and led the business and clinical strategy across nine National Key Accounts. These efforts generated a 20% increase in EP case volume and revenue for the company. He also founded the AAA advanced training program that led to a significant improvement of clinical support with the Key Accounts Organization.  He has been recognized for his sales and business delivery as a three-time recipient of Abbott’s Field Service Award, an honor bestowed upon the top clinical specialists in the US sales division.  He is also a certified electrophysiology and cardiac device specialist, a distinguished honor apportioned by the International Board of Heart Rhythm Examiners. 

Mr. Koch served as a Hospital Corpsman in the United States Navy.  He provided infantry medical support for the Second Marine Division and the Executive Medical Team at the National Naval Medical Center in Washington DC. He holds a degree in Cardiovascular Technology from the Naval School of Health Sciences, where he graduated with honors and distinction.