Tech's tidal wave of layoffs means lots of top workers have to leave the US. It could hurt Silicon Valley and undermine America's ability to compete.

Atal Agarwal first came to the US from India five years ago as a graduate student, eventually finding his way into the healthtech sector as a project manager. His employer sponsored his stay in the country, making him a holder of one of the United States' coveted H-1B work visas. But when the tidal wave of layoffs in the tech industry hit his employer, Agarwal found himself without a job — setting off a stressful 60-day timer to either find a new one that would come with visa sponsorship, or return to India.

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