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Tim Callahan

As Transonic’s Director of Clinical Sales & Marketing, Tim Callahan brings a wealth of experience from a long career in medical device sales and marketing that included the position as VP and General Manager for Global Physical Assessment Business for Welch Allyn of Skaneateles, NY. Tim adds his expertise in value messaging, strategic planning, pricing, contract negotiations and business development to the Transonic marketing mix as the company expands its blood flow measurement surgical device offerings to its global market.

Recent Posts

04 May 2022

Strokes Can Strike at Any Age: Know the Signs

  While the risk of stroke increases with age and other health factors, that doesn’t mean younger people are...
04 May 2022

Strokes Can Strike at Any Age: Know the Signs

  While the risk of stroke increases with age and other health factors, that doesn’t mean younger people are...
01 Dec 2021

The Mediterranean Diet for Heart and Brain Health

It’s well known that diet, exercise and overall lifestyle impact cardiovascular health, but with so much conflicting...
01 Dec 2021

The Mediterranean Diet for Heart and Brain Health

It’s well known that diet, exercise and overall lifestyle impact cardiovascular health, but with so much conflicting...
01 Nov 2021

Flow Measurement Study: Measurement of Intraoperative Graft Flow Predicts Radiological Hyperperfusion During Bypass Surgery in Patients with Moyamoya Disease

Moyamoya disease is a rare constrictive cerebrovascular condition associated with cerebral hemorrhage or infarction....
01 Nov 2021

Flow Measurement Study: Measurement of Intraoperative Graft Flow Predicts Radiological Hyperperfusion During Bypass Surgery in Patients with Moyamoya Disease

Moyamoya disease is a rare constrictive cerebrovascular condition associated with cerebral hemorrhage or infarction....
09 Sep 2019

Video: Cerebrovascular Neurosurgeon on the Importance of Flow Measurement During Cerebrovascular Surgery

Many cerebrovascular neurosurgeons use a Doppler flow probe to measure flow velocity during a procedure. However, a...
09 Sep 2019

Video: Cerebrovascular Neurosurgeon on the Importance of Flow Measurement During Cerebrovascular Surgery

Many cerebrovascular neurosurgeons use a Doppler flow probe to measure flow velocity during a procedure. However, a...