C# run async method synchronously

AsyncHelper.cs

    public static class AsyncHelper
    {
        public static T RunSync<T>(Func<Task<T>> action)
        {
            try
            {
                var result = default(T);
                Task.Run(async () =>
                {
                    result = await action();
                }).Wait();
                return result;
            }
            catch (AggregateException ex)
            {
                throw ex.InnerException;
            }
        }

        public static void RunSync(Func<Task> action)
        {
            RunSync(async () =>
            {
                await action();
                return false;
            });
        }
    }